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Finding the Fourth Proportional to 122,475.60, 183,730.14 and 43,570.80

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Solution

The fourth proportional to 122,475.60, 183,730.14 and 43,570.80 is: 65,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,475.60 : 183,730.14 = 43,570.80 : x
  2. Step 2: Convert to fraction form
    122,475.60/183,730.14 = 43,570.80/x
  3. Step 3: Cross multiply
    122,475.60x = 183,730.14 × 43,570.80
  4. Step 4: Simplify right side
    122,475.60x = 8,005,269,183.91
  5. Step 5: Solve for x
    x = 8,005,269,183.91/122,475.60
  6. Step 6: Final answer
    x = 65,362.16

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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.