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Finding the Fourth Proportional to 141,900.64, 212,872.82 and 48,384.52

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Solution

The fourth proportional to 141,900.64, 212,872.82 and 48,384.52 is: 72,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,900.64 : 212,872.82 = 48,384.52 : x
  2. Step 2: Convert to fraction form
    141,900.64/212,872.82 = 48,384.52/x
  3. Step 3: Cross multiply
    141,900.64x = 212,872.82 × 48,384.52
  4. Step 4: Simplify right side
    141,900.64x = 10,299,749,216.75
  5. Step 5: Solve for x
    x = 10,299,749,216.75/141,900.64
  6. Step 6: Final answer
    x = 72,584.23

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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.