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Finding the Fourth Proportional to 91,505.92, 137,258.88 and 25,841.92

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Solution

The fourth proportional to 91,505.92, 137,258.88 and 25,841.92 is: 38,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,505.92 : 137,258.88 = 25,841.92 : x
  2. Step 2: Convert to fraction form
    91,505.92/137,258.88 = 25,841.92/x
  3. Step 3: Cross multiply
    91,505.92x = 137,258.88 × 25,841.92
  4. Step 4: Simplify right side
    91,505.92x = 3,547,032,996.25
  5. Step 5: Solve for x
    x = 3,547,032,996.25/91,505.92
  6. Step 6: Final answer
    x = 38,762.88

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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.