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Finding the Fourth Proportional to 157,891.86, 236,672.35 and 73,582.47

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Solution

The fourth proportional to 157,891.86, 236,672.35 and 73,582.47 is: 110,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,891.86 : 236,672.35 = 73,582.47 : x
  2. Step 2: Convert to fraction form
    157,891.86/236,672.35 = 73,582.47/x
  3. Step 3: Cross multiply
    157,891.86x = 236,672.35 × 73,582.47
  4. Step 4: Simplify right side
    157,891.86x = 17,414,935,909.75
  5. Step 5: Solve for x
    x = 17,414,935,909.75/157,891.86
  6. Step 6: Final answer
    x = 110,296.60

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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.