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Finding the Fourth Proportional to 82,344.96, 123,569.28 and 51,240.96

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Solution

The fourth proportional to 82,344.96, 123,569.28 and 51,240.96 is: 76,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,344.96 : 123,569.28 = 51,240.96 : x
  2. Step 2: Convert to fraction form
    82,344.96/123,569.28 = 51,240.96/x
  3. Step 3: Cross multiply
    82,344.96x = 123,569.28 × 51,240.96
  4. Step 4: Simplify right side
    82,344.96x = 6,331,808,533.71
  5. Step 5: Solve for x
    x = 6,331,808,533.71/82,344.96
  6. Step 6: Final answer
    x = 76,893.70

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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.