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Finding the Fourth Proportional to 159,714.54, 220,402.21 and 88,093.03

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Solution

The fourth proportional to 159,714.54, 220,402.21 and 88,093.03 is: 121,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,714.54 : 220,402.21 = 88,093.03 : x
  2. Step 2: Convert to fraction form
    159,714.54/220,402.21 = 88,093.03/x
  3. Step 3: Cross multiply
    159,714.54x = 220,402.21 × 88,093.03
  4. Step 4: Simplify right side
    159,714.54x = 19,415,897,437.14
  5. Step 5: Solve for x
    x = 19,415,897,437.14/159,714.54
  6. Step 6: Final answer
    x = 121,566.25

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1.5x scale

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.