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Finding the Fourth Proportional to 122,570.38, 183,685.47 and 55,847.44

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Solution

The fourth proportional to 122,570.38, 183,685.47 and 55,847.44 is: 83,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,570.38 : 183,685.47 = 55,847.44 : x
  2. Step 2: Convert to fraction form
    122,570.38/183,685.47 = 55,847.44/x
  3. Step 3: Cross multiply
    122,570.38x = 183,685.47 × 55,847.44
  4. Step 4: Simplify right side
    122,570.38x = 10,258,363,264.70
  5. Step 5: Solve for x
    x = 10,258,363,264.70/122,570.38
  6. Step 6: Final answer
    x = 83,693.66

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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.