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Finding the Fourth Proportional to 625,117.82, 937,663.76 and 151,805.66

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Solution

The fourth proportional to 625,117.82, 937,663.76 and 151,805.66 is: 227,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,117.82 : 937,663.76 = 151,805.66 : x
  2. Step 2: Convert to fraction form
    625,117.82/937,663.76 = 151,805.66/x
  3. Step 3: Cross multiply
    625,117.82x = 937,663.76 × 151,805.66
  4. Step 4: Simplify right side
    625,117.82x = 142,342,665,944.88
  5. Step 5: Solve for x
    x = 142,342,665,944.88/625,117.82
  6. Step 6: Final answer
    x = 227,705.34

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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.