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Finding the Fourth Proportional to 252,087.08, 378,189.46 and 83,595.08

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Solution

The fourth proportional to 252,087.08, 378,189.46 and 83,595.08 is: 125,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,087.08 : 378,189.46 = 83,595.08 : x
  2. Step 2: Convert to fraction form
    252,087.08/378,189.46 = 83,595.08/x
  3. Step 3: Cross multiply
    252,087.08x = 378,189.46 × 83,595.08
  4. Step 4: Simplify right side
    252,087.08x = 31,614,778,900.34
  5. Step 5: Solve for x
    x = 31,614,778,900.34/252,087.08
  6. Step 6: Final answer
    x = 125,412.13

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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.