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Finding the Fourth Proportional to 155,586.80, 232,861.80 and 136,924.40

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Solution

The fourth proportional to 155,586.80, 232,861.80 and 136,924.40 is: 204,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,586.80 : 232,861.80 = 136,924.40 : x
  2. Step 2: Convert to fraction form
    155,586.80/232,861.80 = 136,924.40/x
  3. Step 3: Cross multiply
    155,586.80x = 232,861.80 × 136,924.40
  4. Step 4: Simplify right side
    155,586.80x = 31,884,462,247.92
  5. Step 5: Solve for x
    x = 31,884,462,247.92/155,586.80
  6. Step 6: Final answer
    x = 204,930.38

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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.