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Finding the Fourth Proportional to 235,568.25, 353,465.78 and 117,249.93

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Solution

The fourth proportional to 235,568.25, 353,465.78 and 117,249.93 is: 175,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,568.25 : 353,465.78 = 117,249.93 : x
  2. Step 2: Convert to fraction form
    235,568.25/353,465.78 = 117,249.93/x
  3. Step 3: Cross multiply
    235,568.25x = 353,465.78 × 117,249.93
  4. Step 4: Simplify right side
    235,568.25x = 41,443,837,376.15
  5. Step 5: Solve for x
    x = 41,443,837,376.15/235,568.25
  6. Step 6: Final answer
    x = 175,931.34

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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.