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Finding the Fourth Proportional to 89,098.74, 133,650.54 and 25,916.30

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Solution

The fourth proportional to 89,098.74, 133,650.54 and 25,916.30 is: 38,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,098.74 : 133,650.54 = 25,916.30 : x
  2. Step 2: Convert to fraction form
    89,098.74/133,650.54 = 25,916.30/x
  3. Step 3: Cross multiply
    89,098.74x = 133,650.54 × 25,916.30
  4. Step 4: Simplify right side
    89,098.74x = 3,463,727,489.80
  5. Step 5: Solve for x
    x = 3,463,727,489.80/89,098.74
  6. Step 6: Final answer
    x = 38,875.16

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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.