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Finding the Fourth Proportional to 117,876.47, 176,809.95 and 29,127.65

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Solution

The fourth proportional to 117,876.47, 176,809.95 and 29,127.65 is: 43,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,876.47 : 176,809.95 = 29,127.65 : x
  2. Step 2: Convert to fraction form
    117,876.47/176,809.95 = 29,127.65/x
  3. Step 3: Cross multiply
    117,876.47x = 176,809.95 × 29,127.65
  4. Step 4: Simplify right side
    117,876.47x = 5,150,057,456.07
  5. Step 5: Solve for x
    x = 5,150,057,456.07/117,876.47
  6. Step 6: Final answer
    x = 43,690.29

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1.5x scale

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.