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Finding the Fourth Proportional to 99,598.88, 137,446.48 and 54,886.88

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Solution

The fourth proportional to 99,598.88, 137,446.48 and 54,886.88 is: 75,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,598.88 : 137,446.48 = 54,886.88 : x
  2. Step 2: Convert to fraction form
    99,598.88/137,446.48 = 54,886.88/x
  3. Step 3: Cross multiply
    99,598.88x = 137,446.48 × 54,886.88
  4. Step 4: Simplify right side
    99,598.88x = 7,544,008,454.18
  5. Step 5: Solve for x
    x = 7,544,008,454.18/99,598.88
  6. Step 6: Final answer
    x = 75,743.91

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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.