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Finding the Fourth Proportional to 99,654.10, 149,502.44 and 36,473.94

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Solution

The fourth proportional to 99,654.10, 149,502.44 and 36,473.94 is: 54,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,654.10 : 149,502.44 = 36,473.94 : x
  2. Step 2: Convert to fraction form
    99,654.10/149,502.44 = 36,473.94/x
  3. Step 3: Cross multiply
    99,654.10x = 149,502.44 × 36,473.94
  4. Step 4: Simplify right side
    99,654.10x = 5,452,943,026.41
  5. Step 5: Solve for x
    x = 5,452,943,026.41/99,654.10
  6. Step 6: Final answer
    x = 54,718.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.