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Finding the Fourth Proportional to 99,522.54, 137,334.87 and 54,810.54

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Solution

The fourth proportional to 99,522.54, 137,334.87 and 54,810.54 is: 75,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,522.54 : 137,334.87 = 54,810.54 : x
  2. Step 2: Convert to fraction form
    99,522.54/137,334.87 = 54,810.54/x
  3. Step 3: Cross multiply
    99,522.54x = 137,334.87 × 54,810.54
  4. Step 4: Simplify right side
    99,522.54x = 7,527,398,385.53
  5. Step 5: Solve for x
    x = 7,527,398,385.53/99,522.54
  6. Step 6: Final answer
    x = 75,635.11

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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.