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Finding the Fourth Proportional to 79,565.88, 109,798.62 and 45,573.24

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Solution

The fourth proportional to 79,565.88, 109,798.62 and 45,573.24 is: 62,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565.88 : 109,798.62 = 45,573.24 : x
  2. Step 2: Convert to fraction form
    79,565.88/109,798.62 = 45,573.24/x
  3. Step 3: Cross multiply
    79,565.88x = 109,798.62 × 45,573.24
  4. Step 4: Simplify right side
    79,565.88x = 5,003,878,860.93
  5. Step 5: Solve for x
    x = 5,003,878,860.93/79,565.88
  6. Step 6: Final answer
    x = 62,889.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.