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Finding the Fourth Proportional to 109,735.80, 164,603.70 and 109,735.80

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Solution

The fourth proportional to 109,735.80, 164,603.70 and 109,735.80 is: 164,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,735.80 : 164,603.70 = 109,735.80 : x
  2. Step 2: Convert to fraction form
    109,735.80/164,603.70 = 109,735.80/x
  3. Step 3: Cross multiply
    109,735.80x = 164,603.70 × 109,735.80
  4. Step 4: Simplify right side
    109,735.80x = 18,062,918,702.46
  5. Step 5: Solve for x
    x = 18,062,918,702.46/109,735.80
  6. Step 6: Final answer
    x = 164,603.70

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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.