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Finding the Fourth Proportional to 88,861.62, 122,549.60 and 73,730.32

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Solution

The fourth proportional to 88,861.62, 122,549.60 and 73,730.32 is: 101,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,861.62 : 122,549.60 = 73,730.32 : x
  2. Step 2: Convert to fraction form
    88,861.62/122,549.60 = 73,730.32/x
  3. Step 3: Cross multiply
    88,861.62x = 122,549.60 × 73,730.32
  4. Step 4: Simplify right side
    88,861.62x = 9,035,621,223.87
  5. Step 5: Solve for x
    x = 9,035,621,223.87/88,861.62
  6. Step 6: Final answer
    x = 101,681.93

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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.