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Finding the Fourth Proportional to 247,257.69, 341,192.62 and 139,827.39

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Solution

The fourth proportional to 247,257.69, 341,192.62 and 139,827.39 is: 192,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,257.69 : 341,192.62 = 139,827.39 : x
  2. Step 2: Convert to fraction form
    247,257.69/341,192.62 = 139,827.39/x
  3. Step 3: Cross multiply
    247,257.69x = 341,192.62 × 139,827.39
  4. Step 4: Simplify right side
    247,257.69x = 47,708,073,541.86
  5. Step 5: Solve for x
    x = 47,708,073,541.86/247,257.69
  6. Step 6: Final answer
    x = 192,948.80

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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.