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Finding the Fourth Proportional to 89,482.16, 134,249.16 and 36,864.56

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Solution

The fourth proportional to 89,482.16, 134,249.16 and 36,864.56 is: 55,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,482.16 : 134,249.16 = 36,864.56 : x
  2. Step 2: Convert to fraction form
    89,482.16/134,249.16 = 36,864.56/x
  3. Step 3: Cross multiply
    89,482.16x = 134,249.16 × 36,864.56
  4. Step 4: Simplify right side
    89,482.16x = 4,949,036,213.77
  5. Step 5: Solve for x
    x = 4,949,036,213.77/89,482.16
  6. Step 6: Final answer
    x = 55,307.52

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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.