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Finding the Fourth Proportional to 348,713.28, 523,020 and 112,024.80

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Solution

The fourth proportional to 348,713.28, 523,020 and 112,024.80 is: 168,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,713.28 : 523,020 = 112,024.80 : x
  2. Step 2: Convert to fraction form
    348,713.28/523,020 = 112,024.80/x
  3. Step 3: Cross multiply
    348,713.28x = 523,020 × 112,024.80
  4. Step 4: Simplify right side
    348,713.28x = 58,591,210,896
  5. Step 5: Solve for x
    x = 58,591,210,896/348,713.28
  6. Step 6: Final answer
    x = 168,021.16

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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.