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Finding the Fourth Proportional to 116,726.60, 175,089.90 and 109,814.60

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Solution

The fourth proportional to 116,726.60, 175,089.90 and 109,814.60 is: 164,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,726.60 : 175,089.90 = 109,814.60 : x
  2. Step 2: Convert to fraction form
    116,726.60/175,089.90 = 109,814.60/x
  3. Step 3: Cross multiply
    116,726.60x = 175,089.90 × 109,814.60
  4. Step 4: Simplify right side
    116,726.60x = 19,227,427,332.54
  5. Step 5: Solve for x
    x = 19,227,427,332.54/116,726.60
  6. Step 6: Final answer
    x = 164,721.90

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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.