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Finding the Fourth Proportional to 245,616.17, 368,424.23 and 68,123.21

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Solution

The fourth proportional to 245,616.17, 368,424.23 and 68,123.21 is: 102,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,616.17 : 368,424.23 = 68,123.21 : x
  2. Step 2: Convert to fraction form
    245,616.17/368,424.23 = 68,123.21/x
  3. Step 3: Cross multiply
    245,616.17x = 368,424.23 × 68,123.21
  4. Step 4: Simplify right side
    245,616.17x = 25,098,239,006.64
  5. Step 5: Solve for x
    x = 25,098,239,006.64/245,616.17
  6. Step 6: Final answer
    x = 102,184.80

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1.5x scale

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.