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Finding the Fourth Proportional to 69,195.67, 95,497.08 and 42,355.91

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Solution

The fourth proportional to 69,195.67, 95,497.08 and 42,355.91 is: 58,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,195.67 : 95,497.08 = 42,355.91 : x
  2. Step 2: Convert to fraction form
    69,195.67/95,497.08 = 42,355.91/x
  3. Step 3: Cross multiply
    69,195.67x = 95,497.08 × 42,355.91
  4. Step 4: Simplify right side
    69,195.67x = 4,044,865,805.65
  5. Step 5: Solve for x
    x = 4,044,865,805.65/69,195.67
  6. Step 6: Final answer
    x = 58,455.48

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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.