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Finding the Fourth Proportional to 283,775.68, 425,788.90 and 148,807.54

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Solution

The fourth proportional to 283,775.68, 425,788.90 and 148,807.54 is: 223,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,775.68 : 425,788.90 = 148,807.54 : x
  2. Step 2: Convert to fraction form
    283,775.68/425,788.90 = 148,807.54/x
  3. Step 3: Cross multiply
    283,775.68x = 425,788.90 × 148,807.54
  4. Step 4: Simplify right side
    283,775.68x = 63,360,598,768.31
  5. Step 5: Solve for x
    x = 63,360,598,768.31/283,775.68
  6. Step 6: Final answer
    x = 223,277.06

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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.