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Finding the Fourth Proportional to 143,718.41, 215,567.58 and 53,744.01

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Solution

The fourth proportional to 143,718.41, 215,567.58 and 53,744.01 is: 80,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,718.41 : 215,567.58 = 53,744.01 : x
  2. Step 2: Convert to fraction form
    143,718.41/215,567.58 = 53,744.01/x
  3. Step 3: Cross multiply
    143,718.41x = 215,567.58 × 53,744.01
  4. Step 4: Simplify right side
    143,718.41x = 11,585,466,175.20
  5. Step 5: Solve for x
    x = 11,585,466,175.20/143,718.41
  6. Step 6: Final answer
    x = 80,612.27

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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.