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Finding the Fourth Proportional to 372,710.10, 559,138.05 and 159,477.60

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Solution

The fourth proportional to 372,710.10, 559,138.05 and 159,477.60 is: 239,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,710.10 : 559,138.05 = 159,477.60 : x
  2. Step 2: Convert to fraction form
    372,710.10/559,138.05 = 159,477.60/x
  3. Step 3: Cross multiply
    372,710.10x = 559,138.05 × 159,477.60
  4. Step 4: Simplify right side
    372,710.10x = 89,169,994,282.68
  5. Step 5: Solve for x
    x = 89,169,994,282.68/372,710.10
  6. Step 6: Final answer
    x = 239,247.59

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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.