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Finding the Fourth Proportional to 88,506.50, 122,140.06 and 50,784.26

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Solution

The fourth proportional to 88,506.50, 122,140.06 and 50,784.26 is: 70,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,506.50 : 122,140.06 = 50,784.26 : x
  2. Step 2: Convert to fraction form
    88,506.50/122,140.06 = 50,784.26/x
  3. Step 3: Cross multiply
    88,506.50x = 122,140.06 × 50,784.26
  4. Step 4: Simplify right side
    88,506.50x = 6,202,792,563.46
  5. Step 5: Solve for x
    x = 6,202,792,563.46/88,506.50
  6. Step 6: Final answer
    x = 70,082.90

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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.