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Finding the Fourth Proportional to 104,942, 144,818.16 and 57,195.92

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Solution

The fourth proportional to 104,942, 144,818.16 and 57,195.92 is: 78,929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,942 : 144,818.16 = 57,195.92 : x
  2. Step 2: Convert to fraction form
    104,942/144,818.16 = 57,195.92/x
  3. Step 3: Cross multiply
    104,942x = 144,818.16 × 57,195.92
  4. Step 4: Simplify right side
    104,942x = 8,283,007,893.91
  5. Step 5: Solve for x
    x = 8,283,007,893.91/104,942
  6. Step 6: Final answer
    x = 78,929.39

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1.5x scale

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.