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Finding the Fourth Proportional to 142,366.48, 213,569.34 and 48,860.08

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Solution

The fourth proportional to 142,366.48, 213,569.34 and 48,860.08 is: 73,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,366.48 : 213,569.34 = 48,860.08 : x
  2. Step 2: Convert to fraction form
    142,366.48/213,569.34 = 48,860.08/x
  3. Step 3: Cross multiply
    142,366.48x = 213,569.34 × 48,860.08
  4. Step 4: Simplify right side
    142,366.48x = 10,435,015,037.95
  5. Step 5: Solve for x
    x = 10,435,015,037.95/142,366.48
  6. Step 6: Final answer
    x = 73,296.85

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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.