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Finding the Fourth Proportional to 395,203.68, 592,916.52 and 158,712.42

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Solution

The fourth proportional to 395,203.68, 592,916.52 and 158,712.42 is: 238,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,203.68 : 592,916.52 = 158,712.42 : x
  2. Step 2: Convert to fraction form
    395,203.68/592,916.52 = 158,712.42/x
  3. Step 3: Cross multiply
    395,203.68x = 592,916.52 × 158,712.42
  4. Step 4: Simplify right side
    395,203.68x = 94,103,215,747.18
  5. Step 5: Solve for x
    x = 94,103,215,747.18/395,203.68
  6. Step 6: Final answer
    x = 238,113.21

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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.