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Finding the Fourth Proportional to 234,565.71, 323,699.40 and 127,134.60

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Solution

The fourth proportional to 234,565.71, 323,699.40 and 127,134.60 is: 175,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,565.71 : 323,699.40 = 127,134.60 : x
  2. Step 2: Convert to fraction form
    234,565.71/323,699.40 = 127,134.60/x
  3. Step 3: Cross multiply
    234,565.71x = 323,699.40 × 127,134.60
  4. Step 4: Simplify right side
    234,565.71x = 41,153,393,739.24
  5. Step 5: Solve for x
    x = 41,153,393,739.24/234,565.71
  6. Step 6: Final answer
    x = 175,445.05

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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.