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Finding the Fourth Proportional to 168,271.13, 252,352.05 and 55,921.16

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Solution

The fourth proportional to 168,271.13, 252,352.05 and 55,921.16 is: 83,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,271.13 : 252,352.05 = 55,921.16 : x
  2. Step 2: Convert to fraction form
    168,271.13/252,352.05 = 55,921.16/x
  3. Step 3: Cross multiply
    168,271.13x = 252,352.05 × 55,921.16
  4. Step 4: Simplify right side
    168,271.13x = 14,111,819,364.38
  5. Step 5: Solve for x
    x = 14,111,819,364.38/168,271.13
  6. Step 6: Final answer
    x = 83,863.58

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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.