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Finding the Fourth Proportional to 169,761.68, 234,278.16 and 94,310

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Solution

The fourth proportional to 169,761.68, 234,278.16 and 94,310 is: 130,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,761.68 : 234,278.16 = 94,310 : x
  2. Step 2: Convert to fraction form
    169,761.68/234,278.16 = 94,310/x
  3. Step 3: Cross multiply
    169,761.68x = 234,278.16 × 94,310
  4. Step 4: Simplify right side
    169,761.68x = 22,094,773,269.60
  5. Step 5: Solve for x
    x = 22,094,773,269.60/169,761.68
  6. Step 6: Final answer
    x = 130,151.71

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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.