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Finding the Fourth Proportional to 94,379.54, 130,242.78 and 53,551.17

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Solution

The fourth proportional to 94,379.54, 130,242.78 and 53,551.17 is: 73,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,379.54 : 130,242.78 = 53,551.17 : x
  2. Step 2: Convert to fraction form
    94,379.54/130,242.78 = 53,551.17/x
  3. Step 3: Cross multiply
    94,379.54x = 130,242.78 × 53,551.17
  4. Step 4: Simplify right side
    94,379.54x = 6,974,653,253.05
  5. Step 5: Solve for x
    x = 6,974,653,253.05/94,379.54
  6. Step 6: Final answer
    x = 73,900.06

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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.