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Finding the Fourth Proportional to 60,279.42, 90,291.87 and 48,368.64

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Solution

The fourth proportional to 60,279.42, 90,291.87 and 48,368.64 is: 72,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,279.42 : 90,291.87 = 48,368.64 : x
  2. Step 2: Convert to fraction form
    60,279.42/90,291.87 = 48,368.64/x
  3. Step 3: Cross multiply
    60,279.42x = 90,291.87 × 48,368.64
  4. Step 4: Simplify right side
    60,279.42x = 4,367,294,954.96
  5. Step 5: Solve for x
    x = 4,367,294,954.96/60,279.42
  6. Step 6: Final answer
    x = 72,450.85

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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.