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Finding the Fourth Proportional to 292,937.68, 439,248.48 and 158,074

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Solution

The fourth proportional to 292,937.68, 439,248.48 and 158,074 is: 237,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,937.68 : 439,248.48 = 158,074 : x
  2. Step 2: Convert to fraction form
    292,937.68/439,248.48 = 158,074/x
  3. Step 3: Cross multiply
    292,937.68x = 439,248.48 × 158,074
  4. Step 4: Simplify right side
    292,937.68x = 69,433,764,227.52
  5. Step 5: Solve for x
    x = 69,433,764,227.52/292,937.68
  6. Step 6: Final answer
    x = 237,025.72

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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.