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Finding the Fourth Proportional to 425,232.37, 637,627.11 and 158,773.76

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Solution

The fourth proportional to 425,232.37, 637,627.11 and 158,773.76 is: 238,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,232.37 : 637,627.11 = 158,773.76 : x
  2. Step 2: Convert to fraction form
    425,232.37/637,627.11 = 158,773.76/x
  3. Step 3: Cross multiply
    425,232.37x = 637,627.11 × 158,773.76
  4. Step 4: Simplify right side
    425,232.37x = 101,238,452,340.20
  5. Step 5: Solve for x
    x = 101,238,452,340.20/425,232.37
  6. Step 6: Final answer
    x = 238,077.95

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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.