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Finding the Fourth Proportional to 442,151.71, 663,367.76 and 157,836.17

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Solution

The fourth proportional to 442,151.71, 663,367.76 and 157,836.17 is: 236,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,151.71 : 663,367.76 = 157,836.17 : x
  2. Step 2: Convert to fraction form
    442,151.71/663,367.76 = 157,836.17/x
  3. Step 3: Cross multiply
    442,151.71x = 663,367.76 × 157,836.17
  4. Step 4: Simplify right side
    442,151.71x = 104,703,426,539.88
  5. Step 5: Solve for x
    x = 104,703,426,539.88/442,151.71
  6. Step 6: Final answer
    x = 236,804.30

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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.