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Finding the Fourth Proportional to 272,189.73, 375,642.86 and 163,298.14

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Solution

The fourth proportional to 272,189.73, 375,642.86 and 163,298.14 is: 225,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,189.73 : 375,642.86 = 163,298.14 : x
  2. Step 2: Convert to fraction form
    272,189.73/375,642.86 = 163,298.14/x
  3. Step 3: Cross multiply
    272,189.73x = 375,642.86 × 163,298.14
  4. Step 4: Simplify right side
    272,189.73x = 61,341,781,689.63
  5. Step 5: Solve for x
    x = 61,341,781,689.63/272,189.73
  6. Step 6: Final answer
    x = 225,364.06

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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.