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Finding the Fourth Proportional to 367,367.55, 550,921.73 and 130,717.95

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Solution

The fourth proportional to 367,367.55, 550,921.73 and 130,717.95 is: 196,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,367.55 : 550,921.73 = 130,717.95 : x
  2. Step 2: Convert to fraction form
    367,367.55/550,921.73 = 130,717.95/x
  3. Step 3: Cross multiply
    367,367.55x = 550,921.73 × 130,717.95
  4. Step 4: Simplify right side
    367,367.55x = 72,015,358,502.46
  5. Step 5: Solve for x
    x = 72,015,358,502.46/367,367.55
  6. Step 6: Final answer
    x = 196,030.81

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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.