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Finding the Fourth Proportional to 100,578.87, 150,652.34 and 94,690.38

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Solution

The fourth proportional to 100,578.87, 150,652.34 and 94,690.38 is: 141,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,578.87 : 150,652.34 = 94,690.38 : x
  2. Step 2: Convert to fraction form
    100,578.87/150,652.34 = 94,690.38/x
  3. Step 3: Cross multiply
    100,578.87x = 150,652.34 × 94,690.38
  4. Step 4: Simplify right side
    100,578.87x = 14,265,326,897.42
  5. Step 5: Solve for x
    x = 14,265,326,897.42/100,578.87
  6. Step 6: Final answer
    x = 141,832.24

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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.