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Finding the Fourth Proportional to 110,159.40, 151,970.40 and 67,702.44

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Solution

The fourth proportional to 110,159.40, 151,970.40 and 67,702.44 is: 93,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,159.40 : 151,970.40 = 67,702.44 : x
  2. Step 2: Convert to fraction form
    110,159.40/151,970.40 = 67,702.44/x
  3. Step 3: Cross multiply
    110,159.40x = 151,970.40 × 67,702.44
  4. Step 4: Simplify right side
    110,159.40x = 10,288,766,887.78
  5. Step 5: Solve for x
    x = 10,288,766,887.78/110,159.40
  6. Step 6: Final answer
    x = 93,398.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.