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Finding the Fourth Proportional to 283,739.40, 425,574.42 and 73,359.72

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Solution

The fourth proportional to 283,739.40, 425,574.42 and 73,359.72 is: 110,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,739.40 : 425,574.42 = 73,359.72 : x
  2. Step 2: Convert to fraction form
    283,739.40/425,574.42 = 73,359.72/x
  3. Step 3: Cross multiply
    283,739.40x = 425,574.42 × 73,359.72
  4. Step 4: Simplify right side
    283,739.40x = 31,220,020,290.36
  5. Step 5: Solve for x
    x = 31,220,020,290.36/283,739.40
  6. Step 6: Final answer
    x = 110,030.61

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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.