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Finding the Fourth Proportional to 178,655.78, 246,543.90 and 98,084.63

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Solution

The fourth proportional to 178,655.78, 246,543.90 and 98,084.63 is: 135,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,655.78 : 246,543.90 = 98,084.63 : x
  2. Step 2: Convert to fraction form
    178,655.78/246,543.90 = 98,084.63/x
  3. Step 3: Cross multiply
    178,655.78x = 246,543.90 × 98,084.63
  4. Step 4: Simplify right side
    178,655.78x = 24,182,167,210.26
  5. Step 5: Solve for x
    x = 24,182,167,210.26/178,655.78
  6. Step 6: Final answer
    x = 135,356.20

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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.