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Finding the Fourth Proportional to 69,262.74, 95,575.68 and 42,412.86

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Solution

The fourth proportional to 69,262.74, 95,575.68 and 42,412.86 is: 58,525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,262.74 : 95,575.68 = 42,412.86 : x
  2. Step 2: Convert to fraction form
    69,262.74/95,575.68 = 42,412.86/x
  3. Step 3: Cross multiply
    69,262.74x = 95,575.68 × 42,412.86
  4. Step 4: Simplify right side
    69,262.74x = 4,053,637,935.24
  5. Step 5: Solve for x
    x = 4,053,637,935.24/69,262.74
  6. Step 6: Final answer
    x = 58,525.52

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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.