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Finding the Fourth Proportional to 123,436.60, 185,135.10 and 44,510.20

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Solution

The fourth proportional to 123,436.60, 185,135.10 and 44,510.20 is: 66,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,436.60 : 185,135.10 = 44,510.20 : x
  2. Step 2: Convert to fraction form
    123,436.60/185,135.10 = 44,510.20/x
  3. Step 3: Cross multiply
    123,436.60x = 185,135.10 × 44,510.20
  4. Step 4: Simplify right side
    123,436.60x = 8,240,400,328.02
  5. Step 5: Solve for x
    x = 8,240,400,328.02/123,436.60
  6. Step 6: Final answer
    x = 66,758.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.