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Finding the Fourth Proportional to 94,916.22, 130,979.22 and 52,472

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Solution

The fourth proportional to 94,916.22, 130,979.22 and 52,472 is: 72,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,916.22 : 130,979.22 = 52,472 : x
  2. Step 2: Convert to fraction form
    94,916.22/130,979.22 = 52,472/x
  3. Step 3: Cross multiply
    94,916.22x = 130,979.22 × 52,472
  4. Step 4: Simplify right side
    94,916.22x = 6,872,741,631.84
  5. Step 5: Solve for x
    x = 6,872,741,631.84/94,916.22
  6. Step 6: Final answer
    x = 72,408.51

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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.