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Finding the Fourth Proportional to 169,675.20, 254,541.60 and 51,345.60

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Solution

The fourth proportional to 169,675.20, 254,541.60 and 51,345.60 is: 77,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,675.20 : 254,541.60 = 51,345.60 : x
  2. Step 2: Convert to fraction form
    169,675.20/254,541.60 = 51,345.60/x
  3. Step 3: Cross multiply
    169,675.20x = 254,541.60 × 51,345.60
  4. Step 4: Simplify right side
    169,675.20x = 13,069,591,176.96
  5. Step 5: Solve for x
    x = 13,069,591,176.96/169,675.20
  6. Step 6: Final answer
    x = 77,027.12

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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.