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Finding the Fourth Proportional to 372,875.70, 559,297.31 and 120,150.54

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Solution

The fourth proportional to 372,875.70, 559,297.31 and 120,150.54 is: 180,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,875.70 : 559,297.31 = 120,150.54 : x
  2. Step 2: Convert to fraction form
    372,875.70/559,297.31 = 120,150.54/x
  3. Step 3: Cross multiply
    372,875.70x = 559,297.31 × 120,150.54
  4. Step 4: Simplify right side
    372,875.70x = 67,199,873,216.29
  5. Step 5: Solve for x
    x = 67,199,873,216.29/372,875.70
  6. Step 6: Final answer
    x = 180,220.57

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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.