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Finding the Fourth Proportional to 168,347.10, 252,532.80 and 101,643.60

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Solution

The fourth proportional to 168,347.10, 252,532.80 and 101,643.60 is: 152,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,347.10 : 252,532.80 = 101,643.60 : x
  2. Step 2: Convert to fraction form
    168,347.10/252,532.80 = 101,643.60/x
  3. Step 3: Cross multiply
    168,347.10x = 252,532.80 × 101,643.60
  4. Step 4: Simplify right side
    168,347.10x = 25,668,342,910.08
  5. Step 5: Solve for x
    x = 25,668,342,910.08/168,347.10
  6. Step 6: Final answer
    x = 152,472.74

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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.