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Finding the Fourth Proportional to 104,799, 144,622.38 and 57,052.68

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Solution

The fourth proportional to 104,799, 144,622.38 and 57,052.68 is: 78,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,799 : 144,622.38 = 57,052.68 : x
  2. Step 2: Convert to fraction form
    104,799/144,622.38 = 57,052.68/x
  3. Step 3: Cross multiply
    104,799x = 144,622.38 × 57,052.68
  4. Step 4: Simplify right side
    104,799x = 8,251,094,366.98
  5. Step 5: Solve for x
    x = 8,251,094,366.98/104,799
  6. Step 6: Final answer
    x = 78,732.57

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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.