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Finding the Fourth Proportional to 180,006.67, 247,974.87 and 154,082.52

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Solution

The fourth proportional to 180,006.67, 247,974.87 and 154,082.52 is: 212,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,006.67 : 247,974.87 = 154,082.52 : x
  2. Step 2: Convert to fraction form
    180,006.67/247,974.87 = 154,082.52/x
  3. Step 3: Cross multiply
    180,006.67x = 247,974.87 × 154,082.52
  4. Step 4: Simplify right side
    180,006.67x = 38,208,594,075.49
  5. Step 5: Solve for x
    x = 38,208,594,075.49/180,006.67
  6. Step 6: Final answer
    x = 212,262.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.