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Finding the Fourth Proportional to 88,814, 122,563.32 and 49,070

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Solution

The fourth proportional to 88,814, 122,563.32 and 49,070 is: 67,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,814 : 122,563.32 = 49,070 : x
  2. Step 2: Convert to fraction form
    88,814/122,563.32 = 49,070/x
  3. Step 3: Cross multiply
    88,814x = 122,563.32 × 49,070
  4. Step 4: Simplify right side
    88,814x = 6,014,182,112.40
  5. Step 5: Solve for x
    x = 6,014,182,112.40/88,814
  6. Step 6: Final answer
    x = 67,716.60

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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.