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Finding the Fourth Proportional to 95,348.79, 143,046.32 and 28,784.95

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Solution

The fourth proportional to 95,348.79, 143,046.32 and 28,784.95 is: 43,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,348.79 : 143,046.32 = 28,784.95 : x
  2. Step 2: Convert to fraction form
    95,348.79/143,046.32 = 28,784.95/x
  3. Step 3: Cross multiply
    95,348.79x = 143,046.32 × 28,784.95
  4. Step 4: Simplify right side
    95,348.79x = 4,117,581,168.88
  5. Step 5: Solve for x
    x = 4,117,581,168.88/95,348.79
  6. Step 6: Final answer
    x = 43,184.41

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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.