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Finding the Fourth Proportional to 94,312.78, 130,146.81 and 51,863.14

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Solution

The fourth proportional to 94,312.78, 130,146.81 and 51,863.14 is: 71,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,312.78 : 130,146.81 = 51,863.14 : x
  2. Step 2: Convert to fraction form
    94,312.78/130,146.81 = 51,863.14/x
  3. Step 3: Cross multiply
    94,312.78x = 130,146.81 × 51,863.14
  4. Step 4: Simplify right side
    94,312.78x = 6,749,822,227.58
  5. Step 5: Solve for x
    x = 6,749,822,227.58/94,312.78
  6. Step 6: Final answer
    x = 71,568.48

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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.