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Finding the Fourth Proportional to 99,473.32, 137,265.06 and 54,761.32

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Solution

The fourth proportional to 99,473.32, 137,265.06 and 54,761.32 is: 75,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,473.32 : 137,265.06 = 54,761.32 : x
  2. Step 2: Convert to fraction form
    99,473.32/137,265.06 = 54,761.32/x
  3. Step 3: Cross multiply
    99,473.32x = 137,265.06 × 54,761.32
  4. Step 4: Simplify right side
    99,473.32x = 7,516,815,875.48
  5. Step 5: Solve for x
    x = 7,516,815,875.48/99,473.32
  6. Step 6: Final answer
    x = 75,566.15

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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.