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Finding the Fourth Proportional to 168,032.40, 252,070.20 and 83,835.60

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Solution

The fourth proportional to 168,032.40, 252,070.20 and 83,835.60 is: 125,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,032.40 : 252,070.20 = 83,835.60 : x
  2. Step 2: Convert to fraction form
    168,032.40/252,070.20 = 83,835.60/x
  3. Step 3: Cross multiply
    168,032.40x = 252,070.20 × 83,835.60
  4. Step 4: Simplify right side
    168,032.40x = 21,132,456,459.12
  5. Step 5: Solve for x
    x = 21,132,456,459.12/168,032.40
  6. Step 6: Final answer
    x = 125,764.18

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1.5x scale

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.