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Finding the Fourth Proportional to 124,014.71, 186,017.92 and 53,894.03

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Solution

The fourth proportional to 124,014.71, 186,017.92 and 53,894.03 is: 80,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,014.71 : 186,017.92 = 53,894.03 : x
  2. Step 2: Convert to fraction form
    124,014.71/186,017.92 = 53,894.03/x
  3. Step 3: Cross multiply
    124,014.71x = 186,017.92 × 53,894.03
  4. Step 4: Simplify right side
    124,014.71x = 10,025,254,296.19
  5. Step 5: Solve for x
    x = 10,025,254,296.19/124,014.71
  6. Step 6: Final answer
    x = 80,839.23

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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.