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Finding the Fourth Proportional to 99,594.54, 137,438.76 and 54,272.92

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Solution

The fourth proportional to 99,594.54, 137,438.76 and 54,272.92 is: 74,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,594.54 : 137,438.76 = 54,272.92 : x
  2. Step 2: Convert to fraction form
    99,594.54/137,438.76 = 54,272.92/x
  3. Step 3: Cross multiply
    99,594.54x = 137,438.76 × 54,272.92
  4. Step 4: Simplify right side
    99,594.54x = 7,459,202,584.54
  5. Step 5: Solve for x
    x = 7,459,202,584.54/99,594.54
  6. Step 6: Final answer
    x = 74,895.70

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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.