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Finding the Fourth Proportional to 225,918.16, 338,871.48 and 59,707.60

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Solution

The fourth proportional to 225,918.16, 338,871.48 and 59,707.60 is: 89,559.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,918.16 : 338,871.48 = 59,707.60 : x
  2. Step 2: Convert to fraction form
    225,918.16/338,871.48 = 59,707.60/x
  3. Step 3: Cross multiply
    225,918.16x = 338,871.48 × 59,707.60
  4. Step 4: Simplify right side
    225,918.16x = 20,233,202,779.25
  5. Step 5: Solve for x
    x = 20,233,202,779.25/225,918.16
  6. Step 6: Final answer
    x = 89,559.88

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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.