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Finding the Fourth Proportional to 124,693.28, 186,707.64 and 108,750.08

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Solution

The fourth proportional to 124,693.28, 186,707.64 and 108,750.08 is: 162,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,693.28 : 186,707.64 = 108,750.08 : x
  2. Step 2: Convert to fraction form
    124,693.28/186,707.64 = 108,750.08/x
  3. Step 3: Cross multiply
    124,693.28x = 186,707.64 × 108,750.08
  4. Step 4: Simplify right side
    124,693.28x = 20,304,470,786.61
  5. Step 5: Solve for x
    x = 20,304,470,786.61/124,693.28
  6. Step 6: Final answer
    x = 162,835.33

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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.