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Finding the Fourth Proportional to 86,297.46, 119,149.01 and 54,045.01

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Solution

The fourth proportional to 86,297.46, 119,149.01 and 54,045.01 is: 74,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,297.46 : 119,149.01 = 54,045.01 : x
  2. Step 2: Convert to fraction form
    86,297.46/119,149.01 = 54,045.01/x
  3. Step 3: Cross multiply
    86,297.46x = 119,149.01 × 54,045.01
  4. Step 4: Simplify right side
    86,297.46x = 6,439,409,166.72
  5. Step 5: Solve for x
    x = 6,439,409,166.72/86,297.46
  6. Step 6: Final answer
    x = 74,618.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.