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Finding the Fourth Proportional to 65,101.30, 89,848.07 and 36,422.55

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Solution

The fourth proportional to 65,101.30, 89,848.07 and 36,422.55 is: 50,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,101.30 : 89,848.07 = 36,422.55 : x
  2. Step 2: Convert to fraction form
    65,101.30/89,848.07 = 36,422.55/x
  3. Step 3: Cross multiply
    65,101.30x = 89,848.07 × 36,422.55
  4. Step 4: Simplify right side
    65,101.30x = 3,272,495,821.98
  5. Step 5: Solve for x
    x = 3,272,495,821.98/65,101.30
  6. Step 6: Final answer
    x = 50,267.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.