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Finding the Fourth Proportional to 171,712.52, 257,585.20 and 53,352.08

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Solution

The fourth proportional to 171,712.52, 257,585.20 and 53,352.08 is: 80,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,712.52 : 257,585.20 = 53,352.08 : x
  2. Step 2: Convert to fraction form
    171,712.52/257,585.20 = 53,352.08/x
  3. Step 3: Cross multiply
    171,712.52x = 257,585.20 × 53,352.08
  4. Step 4: Simplify right side
    171,712.52x = 13,742,706,197.22
  5. Step 5: Solve for x
    x = 13,742,706,197.22/171,712.52
  6. Step 6: Final answer
    x = 80,033.22

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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.