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Finding the Fourth Proportional to 178,884.32, 246,866.28 and 98,314.72

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Solution

The fourth proportional to 178,884.32, 246,866.28 and 98,314.72 is: 135,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,884.32 : 246,866.28 = 98,314.72 : x
  2. Step 2: Convert to fraction form
    178,884.32/246,866.28 = 98,314.72/x
  3. Step 3: Cross multiply
    178,884.32x = 246,866.28 × 98,314.72
  4. Step 4: Simplify right side
    178,884.32x = 24,270,589,195.64
  5. Step 5: Solve for x
    x = 24,270,589,195.64/178,884.32
  6. Step 6: Final answer
    x = 135,677.57

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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.