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Finding the Fourth Proportional to 141,530.32, 212,295.48 and 36,349.39

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Solution

The fourth proportional to 141,530.32, 212,295.48 and 36,349.39 is: 54,524.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,530.32 : 212,295.48 = 36,349.39 : x
  2. Step 2: Convert to fraction form
    141,530.32/212,295.48 = 36,349.39/x
  3. Step 3: Cross multiply
    141,530.32x = 212,295.48 × 36,349.39
  4. Step 4: Simplify right side
    141,530.32x = 7,716,811,531.28
  5. Step 5: Solve for x
    x = 7,716,811,531.28/141,530.32
  6. Step 6: Final answer
    x = 54,524.09

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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.