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Finding the Fourth Proportional to 99,452.95, 137,244.98 and 54,130.88

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Solution

The fourth proportional to 99,452.95, 137,244.98 and 54,130.88 is: 74,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,452.95 : 137,244.98 = 54,130.88 : x
  2. Step 2: Convert to fraction form
    99,452.95/137,244.98 = 54,130.88/x
  3. Step 3: Cross multiply
    99,452.95x = 137,244.98 × 54,130.88
  4. Step 4: Simplify right side
    99,452.95x = 7,429,192,021.42
  5. Step 5: Solve for x
    x = 7,429,192,021.42/99,452.95
  6. Step 6: Final answer
    x = 74,700.57

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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.