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Finding the Fourth Proportional to 88,579.59, 122,239.71 and 48,293.30

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Solution

The fourth proportional to 88,579.59, 122,239.71 and 48,293.30 is: 66,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579.59 : 122,239.71 = 48,293.30 : x
  2. Step 2: Convert to fraction form
    88,579.59/122,239.71 = 48,293.30/x
  3. Step 3: Cross multiply
    88,579.59x = 122,239.71 × 48,293.30
  4. Step 4: Simplify right side
    88,579.59x = 5,903,358,375.74
  5. Step 5: Solve for x
    x = 5,903,358,375.74/88,579.59
  6. Step 6: Final answer
    x = 66,644.68

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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.