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Finding the Fourth Proportional to 159,846.32, 220,587.48 and 88,225.88

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Solution

The fourth proportional to 159,846.32, 220,587.48 and 88,225.88 is: 121,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,846.32 : 220,587.48 = 88,225.88 : x
  2. Step 2: Convert to fraction form
    159,846.32/220,587.48 = 88,225.88/x
  3. Step 3: Cross multiply
    159,846.32x = 220,587.48 × 88,225.88
  4. Step 4: Simplify right side
    159,846.32x = 19,461,524,539.98
  5. Step 5: Solve for x
    x = 19,461,524,539.98/159,846.32
  6. Step 6: Final answer
    x = 121,751.47

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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.