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Finding the Fourth Proportional to 283,505.32, 425,521.50 and 143,364.52

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Solution

The fourth proportional to 283,505.32, 425,521.50 and 143,364.52 is: 215,180.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,505.32 : 425,521.50 = 143,364.52 : x
  2. Step 2: Convert to fraction form
    283,505.32/425,521.50 = 143,364.52/x
  3. Step 3: Cross multiply
    283,505.32x = 425,521.50 × 143,364.52
  4. Step 4: Simplify right side
    283,505.32x = 61,004,685,597.18
  5. Step 5: Solve for x
    x = 61,004,685,597.18/283,505.32
  6. Step 6: Final answer
    x = 215,180.04

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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.