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Finding the Fourth Proportional to 119,448.68, 164,844.32 and 65,737.17

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Solution

The fourth proportional to 119,448.68, 164,844.32 and 65,737.17 is: 90,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,448.68 : 164,844.32 = 65,737.17 : x
  2. Step 2: Convert to fraction form
    119,448.68/164,844.32 = 65,737.17/x
  3. Step 3: Cross multiply
    119,448.68x = 164,844.32 × 65,737.17
  4. Step 4: Simplify right side
    119,448.68x = 10,836,398,758.69
  5. Step 5: Solve for x
    x = 10,836,398,758.69/119,448.68
  6. Step 6: Final answer
    x = 90,720.13

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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.