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Finding the Fourth Proportional to 96,641.40, 144,767.70 and 67,092.60

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Solution

The fourth proportional to 96,641.40, 144,767.70 and 67,092.60 is: 100,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,641.40 : 144,767.70 = 67,092.60 : x
  2. Step 2: Convert to fraction form
    96,641.40/144,767.70 = 67,092.60/x
  3. Step 3: Cross multiply
    96,641.40x = 144,767.70 × 67,092.60
  4. Step 4: Simplify right side
    96,641.40x = 9,712,841,389.02
  5. Step 5: Solve for x
    x = 9,712,841,389.02/96,641.40
  6. Step 6: Final answer
    x = 100,503.94

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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.