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Finding the Fourth Proportional to 245,159.84, 367,739.76 and 67,660.96

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Solution

The fourth proportional to 245,159.84, 367,739.76 and 67,660.96 is: 101,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,159.84 : 367,739.76 = 67,660.96 : x
  2. Step 2: Convert to fraction form
    245,159.84/367,739.76 = 67,660.96/x
  3. Step 3: Cross multiply
    245,159.84x = 367,739.76 × 67,660.96
  4. Step 4: Simplify right side
    245,159.84x = 24,881,625,191.77
  5. Step 5: Solve for x
    x = 24,881,625,191.77/245,159.84
  6. Step 6: Final answer
    x = 101,491.44

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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.