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Finding the Fourth Proportional to 169,250.88, 253,883.28 and 139,613.52

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Solution

The fourth proportional to 169,250.88, 253,883.28 and 139,613.52 is: 209,426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,250.88 : 253,883.28 = 139,613.52 : x
  2. Step 2: Convert to fraction form
    169,250.88/253,883.28 = 139,613.52/x
  3. Step 3: Cross multiply
    169,250.88x = 253,883.28 × 139,613.52
  4. Step 4: Simplify right side
    169,250.88x = 35,445,538,389.95
  5. Step 5: Solve for x
    x = 35,445,538,389.95/169,250.88
  6. Step 6: Final answer
    x = 209,426.02

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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.