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Finding the Fourth Proportional to 99,080.84, 136,663.84 and 63,254.70

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Solution

The fourth proportional to 99,080.84, 136,663.84 and 63,254.70 is: 87,248.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,080.84 : 136,663.84 = 63,254.70 : x
  2. Step 2: Convert to fraction form
    99,080.84/136,663.84 = 63,254.70/x
  3. Step 3: Cross multiply
    99,080.84x = 136,663.84 × 63,254.70
  4. Step 4: Simplify right side
    99,080.84x = 8,644,630,426.01
  5. Step 5: Solve for x
    x = 8,644,630,426.01/99,080.84
  6. Step 6: Final answer
    x = 87,248.26

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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.