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Finding the Fourth Proportional to 245,616.80, 368,425.20 and 183,408.80

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Solution

The fourth proportional to 245,616.80, 368,425.20 and 183,408.80 is: 275,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,616.80 : 368,425.20 = 183,408.80 : x
  2. Step 2: Convert to fraction form
    245,616.80/368,425.20 = 183,408.80/x
  3. Step 3: Cross multiply
    245,616.80x = 368,425.20 × 183,408.80
  4. Step 4: Simplify right side
    245,616.80x = 67,572,423,821.76
  5. Step 5: Solve for x
    x = 67,572,423,821.76/245,616.80
  6. Step 6: Final answer
    x = 275,113.20

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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.