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Finding the Fourth Proportional to 88,564.50, 122,219.01 and 48,820.50

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Solution

The fourth proportional to 88,564.50, 122,219.01 and 48,820.50 is: 67,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,564.50 : 122,219.01 = 48,820.50 : x
  2. Step 2: Convert to fraction form
    88,564.50/122,219.01 = 48,820.50/x
  3. Step 3: Cross multiply
    88,564.50x = 122,219.01 × 48,820.50
  4. Step 4: Simplify right side
    88,564.50x = 5,966,793,177.71
  5. Step 5: Solve for x
    x = 5,966,793,177.71/88,564.50
  6. Step 6: Final answer
    x = 67,372.29

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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.