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Finding the Fourth Proportional to 70,565.76, 97,354.56 and 50,424.96

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Solution

The fourth proportional to 70,565.76, 97,354.56 and 50,424.96 is: 69,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,565.76 : 97,354.56 = 50,424.96 : x
  2. Step 2: Convert to fraction form
    70,565.76/97,354.56 = 50,424.96/x
  3. Step 3: Cross multiply
    70,565.76x = 97,354.56 × 50,424.96
  4. Step 4: Simplify right side
    70,565.76x = 4,909,099,793.82
  5. Step 5: Solve for x
    x = 4,909,099,793.82/70,565.76
  6. Step 6: Final answer
    x = 69,567.73

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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.