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Finding the Fourth Proportional to 159,976.44, 240,009.16 and 70,003.12

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Solution

The fourth proportional to 159,976.44, 240,009.16 and 70,003.12 is: 105,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,976.44 : 240,009.16 = 70,003.12 : x
  2. Step 2: Convert to fraction form
    159,976.44/240,009.16 = 70,003.12/x
  3. Step 3: Cross multiply
    159,976.44x = 240,009.16 × 70,003.12
  4. Step 4: Simplify right side
    159,976.44x = 16,801,390,028.58
  5. Step 5: Solve for x
    x = 16,801,390,028.58/159,976.44
  6. Step 6: Final answer
    x = 105,024.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.