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Finding the Fourth Proportional to 178,316.80, 267,354 and 84,832

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Solution

The fourth proportional to 178,316.80, 267,354 and 84,832 is: 127,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,316.80 : 267,354 = 84,832 : x
  2. Step 2: Convert to fraction form
    178,316.80/267,354 = 84,832/x
  3. Step 3: Cross multiply
    178,316.80x = 267,354 × 84,832
  4. Step 4: Simplify right side
    178,316.80x = 22,680,174,528
  5. Step 5: Solve for x
    x = 22,680,174,528/178,316.80
  6. Step 6: Final answer
    x = 127,190.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.