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Finding the Fourth Proportional to 292,867.88, 404,158.02 and 158,731.88

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Solution

The fourth proportional to 292,867.88, 404,158.02 and 158,731.88 is: 219,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,867.88 : 404,158.02 = 158,731.88 : x
  2. Step 2: Convert to fraction form
    292,867.88/404,158.02 = 158,731.88/x
  3. Step 3: Cross multiply
    292,867.88x = 404,158.02 × 158,731.88
  4. Step 4: Simplify right side
    292,867.88x = 64,152,762,331.68
  5. Step 5: Solve for x
    x = 64,152,762,331.68/292,867.88
  6. Step 6: Final answer
    x = 219,050.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.