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Finding the Fourth Proportional to 119,487.84, 164,882.52 and 65,772.24

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Solution

The fourth proportional to 119,487.84, 164,882.52 and 65,772.24 is: 90,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,487.84 : 164,882.52 = 65,772.24 : x
  2. Step 2: Convert to fraction form
    119,487.84/164,882.52 = 65,772.24/x
  3. Step 3: Cross multiply
    119,487.84x = 164,882.52 × 65,772.24
  4. Step 4: Simplify right side
    119,487.84x = 10,844,692,677.24
  5. Step 5: Solve for x
    x = 10,844,692,677.24/119,487.84
  6. Step 6: Final answer
    x = 90,759.80

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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.