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Finding the Fourth Proportional to 283,489.85, 425,009.99 and 148,528.03

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Solution

The fourth proportional to 283,489.85, 425,009.99 and 148,528.03 is: 222,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,489.85 : 425,009.99 = 148,528.03 : x
  2. Step 2: Convert to fraction form
    283,489.85/425,009.99 = 148,528.03/x
  3. Step 3: Cross multiply
    283,489.85x = 425,009.99 × 148,528.03
  4. Step 4: Simplify right side
    283,489.85x = 63,125,896,545.02
  5. Step 5: Solve for x
    x = 63,125,896,545.02/283,489.85
  6. Step 6: Final answer
    x = 222,674.27

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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.