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Finding the Fourth Proportional to 168,373.36, 252,442.92 and 85,210.48

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Solution

The fourth proportional to 168,373.36, 252,442.92 and 85,210.48 is: 127,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,373.36 : 252,442.92 = 85,210.48 : x
  2. Step 2: Convert to fraction form
    168,373.36/252,442.92 = 85,210.48/x
  3. Step 3: Cross multiply
    168,373.36x = 252,442.92 × 85,210.48
  4. Step 4: Simplify right side
    168,373.36x = 21,510,782,385.80
  5. Step 5: Solve for x
    x = 21,510,782,385.80/168,373.36
  6. Step 6: Final answer
    x = 127,756.45

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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.