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Finding the Fourth Proportional to 95,098.65, 142,647.84 and 28,538.67

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Solution

The fourth proportional to 95,098.65, 142,647.84 and 28,538.67 is: 42,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,098.65 : 142,647.84 = 28,538.67 : x
  2. Step 2: Convert to fraction form
    95,098.65/142,647.84 = 28,538.67/x
  3. Step 3: Cross multiply
    95,098.65x = 142,647.84 × 28,538.67
  4. Step 4: Simplify right side
    95,098.65x = 4,070,979,631.97
  5. Step 5: Solve for x
    x = 4,070,979,631.97/95,098.65
  6. Step 6: Final answer
    x = 42,807.96

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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.