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Finding the Fourth Proportional to 141,569.02, 212,255.11 and 62,640.19

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Solution

The fourth proportional to 141,569.02, 212,255.11 and 62,640.19 is: 93,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,569.02 : 212,255.11 = 62,640.19 : x
  2. Step 2: Convert to fraction form
    141,569.02/212,255.11 = 62,640.19/x
  3. Step 3: Cross multiply
    141,569.02x = 212,255.11 × 62,640.19
  4. Step 4: Simplify right side
    141,569.02x = 13,295,700,418.87
  5. Step 5: Solve for x
    x = 13,295,700,418.87/141,569.02
  6. Step 6: Final answer
    x = 93,916.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.