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Finding the Fourth Proportional to 247,700.95, 341,831.28 and 134,523.70

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Solution

The fourth proportional to 247,700.95, 341,831.28 and 134,523.70 is: 185,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,700.95 : 341,831.28 = 134,523.70 : x
  2. Step 2: Convert to fraction form
    247,700.95/341,831.28 = 134,523.70/x
  3. Step 3: Cross multiply
    247,700.95x = 341,831.28 × 134,523.70
  4. Step 4: Simplify right side
    247,700.95x = 45,984,408,561.34
  5. Step 5: Solve for x
    x = 45,984,408,561.34/247,700.95
  6. Step 6: Final answer
    x = 185,644.86

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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.