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Finding the Fourth Proportional to 178,762.59, 246,693.43 and 98,188.04

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Solution

The fourth proportional to 178,762.59, 246,693.43 and 98,188.04 is: 135,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,762.59 : 246,693.43 = 98,188.04 : x
  2. Step 2: Convert to fraction form
    178,762.59/246,693.43 = 98,188.04/x
  3. Step 3: Cross multiply
    178,762.59x = 246,693.43 × 98,188.04
  4. Step 4: Simplify right side
    178,762.59x = 24,222,345,112.05
  5. Step 5: Solve for x
    x = 24,222,345,112.05/178,762.59
  6. Step 6: Final answer
    x = 135,500.08

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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.