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Finding the Fourth Proportional to 60,373.76, 83,319.68 and 34,881.20

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Solution

The fourth proportional to 60,373.76, 83,319.68 and 34,881.20 is: 48,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,373.76 : 83,319.68 = 34,881.20 : x
  2. Step 2: Convert to fraction form
    60,373.76/83,319.68 = 34,881.20/x
  3. Step 3: Cross multiply
    60,373.76x = 83,319.68 × 34,881.20
  4. Step 4: Simplify right side
    60,373.76x = 2,906,289,831.01
  5. Step 5: Solve for x
    x = 2,906,289,831.01/60,373.76
  6. Step 6: Final answer
    x = 48,138.30

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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.