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Finding the Fourth Proportional to 170,807.88, 256,244.76 and 52,458.24

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Solution

The fourth proportional to 170,807.88, 256,244.76 and 52,458.24 is: 78,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,807.88 : 256,244.76 = 52,458.24 : x
  2. Step 2: Convert to fraction form
    170,807.88/256,244.76 = 52,458.24/x
  3. Step 3: Cross multiply
    170,807.88x = 256,244.76 × 52,458.24
  4. Step 4: Simplify right side
    170,807.88x = 13,442,149,118.82
  5. Step 5: Solve for x
    x = 13,442,149,118.82/170,807.88
  6. Step 6: Final answer
    x = 78,697.48

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1.5x scale

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.