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Finding the Fourth Proportional to 159,671.04, 220,347.42 and 88,053.60

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Solution

The fourth proportional to 159,671.04, 220,347.42 and 88,053.60 is: 121,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,671.04 : 220,347.42 = 88,053.60 : x
  2. Step 2: Convert to fraction form
    159,671.04/220,347.42 = 88,053.60/x
  3. Step 3: Cross multiply
    159,671.04x = 220,347.42 × 88,053.60
  4. Step 4: Simplify right side
    159,671.04x = 19,402,383,581.71
  5. Step 5: Solve for x
    x = 19,402,383,581.71/159,671.04
  6. Step 6: Final answer
    x = 121,514.73

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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.