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Finding the Fourth Proportional to 272,535.87, 408,831.03 and 104,197.79

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Solution

The fourth proportional to 272,535.87, 408,831.03 and 104,197.79 is: 156,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,535.87 : 408,831.03 = 104,197.79 : x
  2. Step 2: Convert to fraction form
    272,535.87/408,831.03 = 104,197.79/x
  3. Step 3: Cross multiply
    272,535.87x = 408,831.03 × 104,197.79
  4. Step 4: Simplify right side
    272,535.87x = 42,599,290,831.50
  5. Step 5: Solve for x
    x = 42,599,290,831.50/272,535.87
  6. Step 6: Final answer
    x = 156,307.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.