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Finding the Fourth Proportional to 235,699.28, 325,645.55 and 164,397.61

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Solution

The fourth proportional to 235,699.28, 325,645.55 and 164,397.61 is: 227,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,699.28 : 325,645.55 = 164,397.61 : x
  2. Step 2: Convert to fraction form
    235,699.28/325,645.55 = 164,397.61/x
  3. Step 3: Cross multiply
    235,699.28x = 325,645.55 × 164,397.61
  4. Step 4: Simplify right side
    235,699.28x = 53,535,350,127.14
  5. Step 5: Solve for x
    x = 53,535,350,127.14/235,699.28
  6. Step 6: Final answer
    x = 227,134.13

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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.