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Finding the Fourth Proportional to 240,411.02, 360,729.93 and 107,279.42

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Solution

The fourth proportional to 240,411.02, 360,729.93 and 107,279.42 is: 160,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,411.02 : 360,729.93 = 107,279.42 : x
  2. Step 2: Convert to fraction form
    240,411.02/360,729.93 = 107,279.42/x
  3. Step 3: Cross multiply
    240,411.02x = 360,729.93 × 107,279.42
  4. Step 4: Simplify right side
    240,411.02x = 38,698,897,667.04
  5. Step 5: Solve for x
    x = 38,698,897,667.04/240,411.02
  6. Step 6: Final answer
    x = 160,969.73

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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.