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Finding the Fourth Proportional to 117,574.48, 176,360.76 and 47,452.72

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Solution

The fourth proportional to 117,574.48, 176,360.76 and 47,452.72 is: 71,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,574.48 : 176,360.76 = 47,452.72 : x
  2. Step 2: Convert to fraction form
    117,574.48/176,360.76 = 47,452.72/x
  3. Step 3: Cross multiply
    117,574.48x = 176,360.76 × 47,452.72
  4. Step 4: Simplify right side
    117,574.48x = 8,368,797,763.27
  5. Step 5: Solve for x
    x = 8,368,797,763.27/117,574.48
  6. Step 6: Final answer
    x = 71,178.69

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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.