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Finding the Fourth Proportional to 159,841.37, 220,565.39 and 88,216.77

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Solution

The fourth proportional to 159,841.37, 220,565.39 and 88,216.77 is: 121,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,841.37 : 220,565.39 = 88,216.77 : x
  2. Step 2: Convert to fraction form
    159,841.37/220,565.39 = 88,216.77/x
  3. Step 3: Cross multiply
    159,841.37x = 220,565.39 × 88,216.77
  4. Step 4: Simplify right side
    159,841.37x = 19,457,565,011.39
  5. Step 5: Solve for x
    x = 19,457,565,011.39/159,841.37
  6. Step 6: Final answer
    x = 121,730.47

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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.