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Finding the Fourth Proportional to 242,373.58, 363,391.73 and 107,364.35

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Solution

The fourth proportional to 242,373.58, 363,391.73 and 107,364.35 is: 160,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,373.58 : 363,391.73 = 107,364.35 : x
  2. Step 2: Convert to fraction form
    242,373.58/363,391.73 = 107,364.35/x
  3. Step 3: Cross multiply
    242,373.58x = 363,391.73 × 107,364.35
  4. Step 4: Simplify right side
    242,373.58x = 39,015,317,661.10
  5. Step 5: Solve for x
    x = 39,015,317,661.10/242,373.58
  6. Step 6: Final answer
    x = 160,971.83

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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.