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Finding the Fourth Proportional to 95,602.69, 143,402.81 and 42,974.96

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Solution

The fourth proportional to 95,602.69, 143,402.81 and 42,974.96 is: 64,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,602.69 : 143,402.81 = 42,974.96 : x
  2. Step 2: Convert to fraction form
    95,602.69/143,402.81 = 42,974.96/x
  3. Step 3: Cross multiply
    95,602.69x = 143,402.81 × 42,974.96
  4. Step 4: Simplify right side
    95,602.69x = 6,162,730,023.64
  5. Step 5: Solve for x
    x = 6,162,730,023.64/95,602.69
  6. Step 6: Final answer
    x = 64,461.89

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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.