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Finding the Fourth Proportional to 58,749.40, 88,120.99 and 36,264.34

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Solution

The fourth proportional to 58,749.40, 88,120.99 and 36,264.34 is: 54,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,749.40 : 88,120.99 = 36,264.34 : x
  2. Step 2: Convert to fraction form
    58,749.40/88,120.99 = 36,264.34/x
  3. Step 3: Cross multiply
    58,749.40x = 88,120.99 × 36,264.34
  4. Step 4: Simplify right side
    58,749.40x = 3,195,648,920.57
  5. Step 5: Solve for x
    x = 3,195,648,920.57/58,749.40
  6. Step 6: Final answer
    x = 54,394.58

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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.