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Finding the Fourth Proportional to 178,607.68, 246,481.77 and 98,042.69

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Solution

The fourth proportional to 178,607.68, 246,481.77 and 98,042.69 is: 135,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,607.68 : 246,481.77 = 98,042.69 : x
  2. Step 2: Convert to fraction form
    178,607.68/246,481.77 = 98,042.69/x
  3. Step 3: Cross multiply
    178,607.68x = 246,481.77 × 98,042.69
  4. Step 4: Simplify right side
    178,607.68x = 24,165,736,750.63
  5. Step 5: Solve for x
    x = 24,165,736,750.63/178,607.68
  6. Step 6: Final answer
    x = 135,300.66

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1.5x scale

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.