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Finding the Fourth Proportional to 283,554.17, 425,331.25 and 83,859.01

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Solution

The fourth proportional to 283,554.17, 425,331.25 and 83,859.01 is: 125,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,554.17 : 425,331.25 = 83,859.01 : x
  2. Step 2: Convert to fraction form
    283,554.17/425,331.25 = 83,859.01/x
  3. Step 3: Cross multiply
    283,554.17x = 425,331.25 × 83,859.01
  4. Step 4: Simplify right side
    283,554.17x = 35,667,855,001.11
  5. Step 5: Solve for x
    x = 35,667,855,001.11/283,554.17
  6. Step 6: Final answer
    x = 125,788.51

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Similar ratio
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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.