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Finding the Fourth Proportional to 273,385.92, 377,275.68 and 154,153.92

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Solution

The fourth proportional to 273,385.92, 377,275.68 and 154,153.92 is: 212,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,385.92 : 377,275.68 = 154,153.92 : x
  2. Step 2: Convert to fraction form
    273,385.92/377,275.68 = 154,153.92/x
  3. Step 3: Cross multiply
    273,385.92x = 377,275.68 × 154,153.92
  4. Step 4: Simplify right side
    273,385.92x = 58,158,524,992.67
  5. Step 5: Solve for x
    x = 58,158,524,992.67/273,385.92
  6. Step 6: Final answer
    x = 212,734.16

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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.