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Finding the Fourth Proportional to 157,473.92, 236,162.42 and 45,124.04

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Solution

The fourth proportional to 157,473.92, 236,162.42 and 45,124.04 is: 67,672.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,473.92 : 236,162.42 = 45,124.04 : x
  2. Step 2: Convert to fraction form
    157,473.92/236,162.42 = 45,124.04/x
  3. Step 3: Cross multiply
    157,473.92x = 236,162.42 × 45,124.04
  4. Step 4: Simplify right side
    157,473.92x = 10,656,602,486.58
  5. Step 5: Solve for x
    x = 10,656,602,486.58/157,473.92
  6. Step 6: Final answer
    x = 67,672.17

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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.