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Finding the Fourth Proportional to 158,279.87, 237,418.90 and 39,950.72

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Solution

The fourth proportional to 158,279.87, 237,418.90 and 39,950.72 is: 59,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,279.87 : 237,418.90 = 39,950.72 : x
  2. Step 2: Convert to fraction form
    158,279.87/237,418.90 = 39,950.72/x
  3. Step 3: Cross multiply
    158,279.87x = 237,418.90 × 39,950.72
  4. Step 4: Simplify right side
    158,279.87x = 9,485,055,599.96
  5. Step 5: Solve for x
    x = 9,485,055,599.96/158,279.87
  6. Step 6: Final answer
    x = 59,925.85

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1.5x scale

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.