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Finding the Fourth Proportional to 124,668.72, 186,959.52 and 35,898.48

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Solution

The fourth proportional to 124,668.72, 186,959.52 and 35,898.48 is: 53,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,668.72 : 186,959.52 = 35,898.48 : x
  2. Step 2: Convert to fraction form
    124,668.72/186,959.52 = 35,898.48/x
  3. Step 3: Cross multiply
    124,668.72x = 186,959.52 × 35,898.48
  4. Step 4: Simplify right side
    124,668.72x = 6,711,562,589.53
  5. Step 5: Solve for x
    x = 6,711,562,589.53/124,668.72
  6. Step 6: Final answer
    x = 53,835.18

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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.