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Finding the Fourth Proportional to 89,463.66, 123,434.98 and 59,239.32

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Solution

The fourth proportional to 89,463.66, 123,434.98 and 59,239.32 is: 81,733.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,463.66 : 123,434.98 = 59,239.32 : x
  2. Step 2: Convert to fraction form
    89,463.66/123,434.98 = 59,239.32/x
  3. Step 3: Cross multiply
    89,463.66x = 123,434.98 × 59,239.32
  4. Step 4: Simplify right side
    89,463.66x = 7,312,204,279.41
  5. Step 5: Solve for x
    x = 7,312,204,279.41/89,463.66
  6. Step 6: Final answer
    x = 81,733.79

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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.