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Finding the Fourth Proportional to 178,888.08, 246,871.46 and 98,318.46

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Solution

The fourth proportional to 178,888.08, 246,871.46 and 98,318.46 is: 135,682.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,888.08 : 246,871.46 = 98,318.46 : x
  2. Step 2: Convert to fraction form
    178,888.08/246,871.46 = 98,318.46/x
  3. Step 3: Cross multiply
    178,888.08x = 246,871.46 × 98,318.46
  4. Step 4: Simplify right side
    178,888.08x = 24,272,021,765.15
  5. Step 5: Solve for x
    x = 24,272,021,765.15/178,888.08
  6. Step 6: Final answer
    x = 135,682.72

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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.