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Finding the Fourth Proportional to 283,748.80, 425,428.80 and 134,060.80

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Solution

The fourth proportional to 283,748.80, 425,428.80 and 134,060.80 is: 200,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,748.80 : 425,428.80 = 134,060.80 : x
  2. Step 2: Convert to fraction form
    283,748.80/425,428.80 = 134,060.80/x
  3. Step 3: Cross multiply
    283,748.80x = 425,428.80 × 134,060.80
  4. Step 4: Simplify right side
    283,748.80x = 57,033,325,271.04
  5. Step 5: Solve for x
    x = 57,033,325,271.04/283,748.80
  6. Step 6: Final answer
    x = 200,999.35

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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.