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Finding the Fourth Proportional to 99,453.52, 137,246.08 and 54,741.52

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Solution

The fourth proportional to 99,453.52, 137,246.08 and 54,741.52 is: 75,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,453.52 : 137,246.08 = 54,741.52 : x
  2. Step 2: Convert to fraction form
    99,453.52/137,246.08 = 54,741.52/x
  3. Step 3: Cross multiply
    99,453.52x = 137,246.08 × 54,741.52
  4. Step 4: Simplify right side
    99,453.52x = 7,513,059,033.24
  5. Step 5: Solve for x
    x = 7,513,059,033.24/99,453.52
  6. Step 6: Final answer
    x = 75,543.42

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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.