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Finding the Fourth Proportional to 153,342.65, 211,635.45 and 92,092.97

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Solution

The fourth proportional to 153,342.65, 211,635.45 and 92,092.97 is: 127,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,342.65 : 211,635.45 = 92,092.97 : x
  2. Step 2: Convert to fraction form
    153,342.65/211,635.45 = 92,092.97/x
  3. Step 3: Cross multiply
    153,342.65x = 211,635.45 × 92,092.97
  4. Step 4: Simplify right side
    153,342.65x = 19,490,136,089.61
  5. Step 5: Solve for x
    x = 19,490,136,089.61/153,342.65
  6. Step 6: Final answer
    x = 127,101.86

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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.