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Finding the Fourth Proportional to 225,030.42, 337,638.78 and 98,605.44

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Solution

The fourth proportional to 225,030.42, 337,638.78 and 98,605.44 is: 147,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,030.42 : 337,638.78 = 98,605.44 : x
  2. Step 2: Convert to fraction form
    225,030.42/337,638.78 = 98,605.44/x
  3. Step 3: Cross multiply
    225,030.42x = 337,638.78 × 98,605.44
  4. Step 4: Simplify right side
    225,030.42x = 33,293,020,462.96
  5. Step 5: Solve for x
    x = 33,293,020,462.96/225,030.42
  6. Step 6: Final answer
    x = 147,948.98

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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.