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Finding the Fourth Proportional to 114,423.32, 157,913.48 and 63,452.03

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Solution

The fourth proportional to 114,423.32, 157,913.48 and 63,452.03 is: 87,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,423.32 : 157,913.48 = 63,452.03 : x
  2. Step 2: Convert to fraction form
    114,423.32/157,913.48 = 63,452.03/x
  3. Step 3: Cross multiply
    114,423.32x = 157,913.48 × 63,452.03
  4. Step 4: Simplify right side
    114,423.32x = 10,019,930,239.43
  5. Step 5: Solve for x
    x = 10,019,930,239.43/114,423.32
  6. Step 6: Final answer
    x = 87,568.95

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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.