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Finding the Fourth Proportional to 283,544.89, 425,400.37 and 83,870.59

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Solution

The fourth proportional to 283,544.89, 425,400.37 and 83,870.59 is: 125,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,544.89 : 425,400.37 = 83,870.59 : x
  2. Step 2: Convert to fraction form
    283,544.89/425,400.37 = 83,870.59/x
  3. Step 3: Cross multiply
    283,544.89x = 425,400.37 × 83,870.59
  4. Step 4: Simplify right side
    283,544.89x = 35,678,579,395.14
  5. Step 5: Solve for x
    x = 35,678,579,395.14/283,544.89
  6. Step 6: Final answer
    x = 125,830.45

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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.