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Finding the Fourth Proportional to 104,411.26, 144,112.26 and 61,994.26

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Solution

The fourth proportional to 104,411.26, 144,112.26 and 61,994.26 is: 85,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,411.26 : 144,112.26 = 61,994.26 : x
  2. Step 2: Convert to fraction form
    104,411.26/144,112.26 = 61,994.26/x
  3. Step 3: Cross multiply
    104,411.26x = 144,112.26 × 61,994.26
  4. Step 4: Simplify right side
    104,411.26x = 8,934,132,915.63
  5. Step 5: Solve for x
    x = 8,934,132,915.63/104,411.26
  6. Step 6: Final answer
    x = 85,566.76

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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.