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Finding the Fourth Proportional to 94,513.66, 130,447.74 and 54,254.65

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Solution

The fourth proportional to 94,513.66, 130,447.74 and 54,254.65 is: 74,882.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,513.66 : 130,447.74 = 54,254.65 : x
  2. Step 2: Convert to fraction form
    94,513.66/130,447.74 = 54,254.65/x
  3. Step 3: Cross multiply
    94,513.66x = 130,447.74 × 54,254.65
  4. Step 4: Simplify right side
    94,513.66x = 7,077,396,476.99
  5. Step 5: Solve for x
    x = 7,077,396,476.99/94,513.66
  6. Step 6: Final answer
    x = 74,882.26

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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.