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Finding the Fourth Proportional to 112,165,801.61, 168,248,702.42 and 112,165,801.61

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Solution

The fourth proportional to 112,165,801.61, 168,248,702.42 and 112,165,801.61 is: 168,248,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,165,801.61 : 168,248,702.42 = 112,165,801.61 : x
  2. Step 2: Convert to fraction form
    112,165,801.61/168,248,702.42 = 112,165,801.61/x
  3. Step 3: Cross multiply
    112,165,801.61x = 168,248,702.42 × 112,165,801.61
  4. Step 4: Simplify right side
    112,165,801.61x = 18,871,750,576,220,816
  5. Step 5: Solve for x
    x = 18,871,750,576,220,816/112,165,801.61
  6. Step 6: Final answer
    x = 168,248,702.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.