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Finding the Fourth Proportional to 247,175.46, 341,098.56 and 139,741.92

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Solution

The fourth proportional to 247,175.46, 341,098.56 and 139,741.92 is: 192,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,175.46 : 341,098.56 = 139,741.92 : x
  2. Step 2: Convert to fraction form
    247,175.46/341,098.56 = 139,741.92/x
  3. Step 3: Cross multiply
    247,175.46x = 341,098.56 × 139,741.92
  4. Step 4: Simplify right side
    247,175.46x = 47,665,767,683.64
  5. Step 5: Solve for x
    x = 47,665,767,683.64/247,175.46
  6. Step 6: Final answer
    x = 192,841.83

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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.