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Finding the Fourth Proportional to 272,443.66, 375,966.35 and 157,727.14

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Solution

The fourth proportional to 272,443.66, 375,966.35 and 157,727.14 is: 217,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,443.66 : 375,966.35 = 157,727.14 : x
  2. Step 2: Convert to fraction form
    272,443.66/375,966.35 = 157,727.14/x
  3. Step 3: Cross multiply
    272,443.66x = 375,966.35 × 157,727.14
  4. Step 4: Simplify right side
    272,443.66x = 59,300,097,121.74
  5. Step 5: Solve for x
    x = 59,300,097,121.74/272,443.66
  6. Step 6: Final answer
    x = 217,660.04

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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.