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Finding the Fourth Proportional to 119,522.71, 164,937.63 and 65,802.70

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Solution

The fourth proportional to 119,522.71, 164,937.63 and 65,802.70 is: 90,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,522.71 : 164,937.63 = 65,802.70 : x
  2. Step 2: Convert to fraction form
    119,522.71/164,937.63 = 65,802.70/x
  3. Step 3: Cross multiply
    119,522.71x = 164,937.63 × 65,802.70
  4. Step 4: Simplify right side
    119,522.71x = 10,853,341,385.60
  5. Step 5: Solve for x
    x = 10,853,341,385.60/119,522.71
  6. Step 6: Final answer
    x = 90,805.68

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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.