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Finding the Fourth Proportional to 247,726.84, 341,861.16 and 134,550.40

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Solution

The fourth proportional to 247,726.84, 341,861.16 and 134,550.40 is: 185,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,726.84 : 341,861.16 = 134,550.40 : x
  2. Step 2: Convert to fraction form
    247,726.84/341,861.16 = 134,550.40/x
  3. Step 3: Cross multiply
    247,726.84x = 341,861.16 × 134,550.40
  4. Step 4: Simplify right side
    247,726.84x = 45,997,555,822.46
  5. Step 5: Solve for x
    x = 45,997,555,822.46/247,726.84
  6. Step 6: Final answer
    x = 185,678.53

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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.