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Finding the Fourth Proportional to 116,670.80, 175,006.20 and 114,726.80

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Solution

The fourth proportional to 116,670.80, 175,006.20 and 114,726.80 is: 172,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,670.80 : 175,006.20 = 114,726.80 : x
  2. Step 2: Convert to fraction form
    116,670.80/175,006.20 = 114,726.80/x
  3. Step 3: Cross multiply
    116,670.80x = 175,006.20 × 114,726.80
  4. Step 4: Simplify right side
    116,670.80x = 20,077,901,306.16
  5. Step 5: Solve for x
    x = 20,077,901,306.16/116,670.80
  6. Step 6: Final answer
    x = 172,090.20

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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.