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Finding the Fourth Proportional to 277,423.79, 416,037.20 and 99,883.13

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Solution

The fourth proportional to 277,423.79, 416,037.20 and 99,883.13 is: 149,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,423.79 : 416,037.20 = 99,883.13 : x
  2. Step 2: Convert to fraction form
    277,423.79/416,037.20 = 99,883.13/x
  3. Step 3: Cross multiply
    277,423.79x = 416,037.20 × 99,883.13
  4. Step 4: Simplify right side
    277,423.79x = 41,555,095,152.83
  5. Step 5: Solve for x
    x = 41,555,095,152.83/277,423.79
  6. Step 6: Final answer
    x = 149,789.23

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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.