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Finding the Fourth Proportional to 159,572.03, 220,210.43 and 87,952.06

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Solution

The fourth proportional to 159,572.03, 220,210.43 and 87,952.06 is: 121,374.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,572.03 : 220,210.43 = 87,952.06 : x
  2. Step 2: Convert to fraction form
    159,572.03/220,210.43 = 87,952.06/x
  3. Step 3: Cross multiply
    159,572.03x = 220,210.43 × 87,952.06
  4. Step 4: Simplify right side
    159,572.03x = 19,367,960,951.99
  5. Step 5: Solve for x
    x = 19,367,960,951.99/159,572.03
  6. Step 6: Final answer
    x = 121,374.41

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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.