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Finding the Fourth Proportional to 154,843.76, 232,288.73 and 54,995.57

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Solution

The fourth proportional to 154,843.76, 232,288.73 and 54,995.57 is: 82,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,843.76 : 232,288.73 = 54,995.57 : x
  2. Step 2: Convert to fraction form
    154,843.76/232,288.73 = 54,995.57/x
  3. Step 3: Cross multiply
    154,843.76x = 232,288.73 × 54,995.57
  4. Step 4: Simplify right side
    154,843.76x = 12,774,849,674.50
  5. Step 5: Solve for x
    x = 12,774,849,674.50/154,843.76
  6. Step 6: Final answer
    x = 82,501.55

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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.