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Finding the Fourth Proportional to 117,132.16, 175,731.05 and 47,060.68

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Solution

The fourth proportional to 117,132.16, 175,731.05 and 47,060.68 is: 70,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,132.16 : 175,731.05 = 47,060.68 : x
  2. Step 2: Convert to fraction form
    117,132.16/175,731.05 = 47,060.68/x
  3. Step 3: Cross multiply
    117,132.16x = 175,731.05 × 47,060.68
  4. Step 4: Simplify right side
    117,132.16x = 8,270,022,710.11
  5. Step 5: Solve for x
    x = 8,270,022,710.11/117,132.16
  6. Step 6: Final answer
    x = 70,604.20

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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.