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Finding the Fourth Proportional to 170,844.80, 256,240.80 and 58,499.20

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Solution

The fourth proportional to 170,844.80, 256,240.80 and 58,499.20 is: 87,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,844.80 : 256,240.80 = 58,499.20 : x
  2. Step 2: Convert to fraction form
    170,844.80/256,240.80 = 58,499.20/x
  3. Step 3: Cross multiply
    170,844.80x = 256,240.80 × 58,499.20
  4. Step 4: Simplify right side
    170,844.80x = 14,989,881,807.36
  5. Step 5: Solve for x
    x = 14,989,881,807.36/170,844.80
  6. Step 6: Final answer
    x = 87,739.76

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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.