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Finding the Fourth Proportional to 101,124.42, 151,686.62 and 94,891.47

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Solution

The fourth proportional to 101,124.42, 151,686.62 and 94,891.47 is: 142,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,124.42 : 151,686.62 = 94,891.47 : x
  2. Step 2: Convert to fraction form
    101,124.42/151,686.62 = 94,891.47/x
  3. Step 3: Cross multiply
    101,124.42x = 151,686.62 × 94,891.47
  4. Step 4: Simplify right side
    101,124.42x = 14,393,765,876.67
  5. Step 5: Solve for x
    x = 14,393,765,876.67/101,124.42
  6. Step 6: Final answer
    x = 142,337.19

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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.