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Finding the Fourth Proportional to 292,132.88, 403,143.37 and 157,996.88

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Solution

The fourth proportional to 292,132.88, 403,143.37 and 157,996.88 is: 218,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,132.88 : 403,143.37 = 157,996.88 : x
  2. Step 2: Convert to fraction form
    292,132.88/403,143.37 = 157,996.88/x
  3. Step 3: Cross multiply
    292,132.88x = 403,143.37 × 157,996.88
  4. Step 4: Simplify right side
    292,132.88x = 63,695,392,241.98
  5. Step 5: Solve for x
    x = 63,695,392,241.98/292,132.88
  6. Step 6: Final answer
    x = 218,035.69

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1.5x scale

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.