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Finding the Fourth Proportional to 283,557.81, 425,399 and 83,862.63

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Solution

The fourth proportional to 283,557.81, 425,399 and 83,862.63 is: 125,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,557.81 : 425,399 = 83,862.63 : x
  2. Step 2: Convert to fraction form
    283,557.81/425,399 = 83,862.63/x
  3. Step 3: Cross multiply
    283,557.81x = 425,399 × 83,862.63
  4. Step 4: Simplify right side
    283,557.81x = 35,675,078,939.37
  5. Step 5: Solve for x
    x = 35,675,078,939.37/283,557.81
  6. Step 6: Final answer
    x = 125,812.37

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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.