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Finding the Fourth Proportional to 117,062.39, 175,440.49 and 46,990.91

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Solution

The fourth proportional to 117,062.39, 175,440.49 and 46,990.91 is: 70,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,062.39 : 175,440.49 = 46,990.91 : x
  2. Step 2: Convert to fraction form
    117,062.39/175,440.49 = 46,990.91/x
  3. Step 3: Cross multiply
    117,062.39x = 175,440.49 × 46,990.91
  4. Step 4: Simplify right side
    117,062.39x = 8,244,108,275.95
  5. Step 5: Solve for x
    x = 8,244,108,275.95/117,062.39
  6. Step 6: Final answer
    x = 70,424.91

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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.