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Finding the Fourth Proportional to 245,069.76, 367,431.84 and 95,185.20

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Solution

The fourth proportional to 245,069.76, 367,431.84 and 95,185.20 is: 142,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,069.76 : 367,431.84 = 95,185.20 : x
  2. Step 2: Convert to fraction form
    245,069.76/367,431.84 = 95,185.20/x
  3. Step 3: Cross multiply
    245,069.76x = 367,431.84 × 95,185.20
  4. Step 4: Simplify right side
    245,069.76x = 34,974,073,176.77
  5. Step 5: Solve for x
    x = 34,974,073,176.77/245,069.76
  6. Step 6: Final answer
    x = 142,710.68

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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.