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Finding the Fourth Proportional to 99,089.60, 136,764.52 and 63,273.38

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Solution

The fourth proportional to 99,089.60, 136,764.52 and 63,273.38 is: 87,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,089.60 : 136,764.52 = 63,273.38 : x
  2. Step 2: Convert to fraction form
    99,089.60/136,764.52 = 63,273.38/x
  3. Step 3: Cross multiply
    99,089.60x = 136,764.52 × 63,273.38
  4. Step 4: Simplify right side
    99,089.60x = 8,653,553,444.48
  5. Step 5: Solve for x
    x = 8,653,553,444.48/99,089.60
  6. Step 6: Final answer
    x = 87,330.59

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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.