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Finding the Fourth Proportional to 245,405.94, 368,117.13 and 67,898.09

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Solution

The fourth proportional to 245,405.94, 368,117.13 and 67,898.09 is: 101,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,405.94 : 368,117.13 = 67,898.09 : x
  2. Step 2: Convert to fraction form
    245,405.94/368,117.13 = 67,898.09/x
  3. Step 3: Cross multiply
    245,405.94x = 368,117.13 × 67,898.09
  4. Step 4: Simplify right side
    245,405.94x = 24,994,448,182.70
  5. Step 5: Solve for x
    x = 24,994,448,182.70/245,405.94
  6. Step 6: Final answer
    x = 101,849.40

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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.