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Finding the Fourth Proportional to 104,857.39, 157,275.15 and 29,972.69

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Solution

The fourth proportional to 104,857.39, 157,275.15 and 29,972.69 is: 44,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,857.39 : 157,275.15 = 29,972.69 : x
  2. Step 2: Convert to fraction form
    104,857.39/157,275.15 = 29,972.69/x
  3. Step 3: Cross multiply
    104,857.39x = 157,275.15 × 29,972.69
  4. Step 4: Simplify right side
    104,857.39x = 4,713,959,315.65
  5. Step 5: Solve for x
    x = 4,713,959,315.65/104,857.39
  6. Step 6: Final answer
    x = 44,955.91

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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.