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Finding the Fourth Proportional to 116,807.57, 175,225.95 and 45,721.04

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Solution

The fourth proportional to 116,807.57, 175,225.95 and 45,721.04 is: 68,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,807.57 : 175,225.95 = 45,721.04 : x
  2. Step 2: Convert to fraction form
    116,807.57/175,225.95 = 45,721.04/x
  3. Step 3: Cross multiply
    116,807.57x = 175,225.95 × 45,721.04
  4. Step 4: Simplify right side
    116,807.57x = 8,011,511,964.31
  5. Step 5: Solve for x
    x = 8,011,511,964.31/116,807.57
  6. Step 6: Final answer
    x = 68,587.27

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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.