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Finding the Fourth Proportional to 70,484.58, 105,660 and 26,081.19

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Solution

The fourth proportional to 70,484.58, 105,660 and 26,081.19 is: 39,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,484.58 : 105,660 = 26,081.19 : x
  2. Step 2: Convert to fraction form
    70,484.58/105,660 = 26,081.19/x
  3. Step 3: Cross multiply
    70,484.58x = 105,660 × 26,081.19
  4. Step 4: Simplify right side
    70,484.58x = 2,755,738,535.40
  5. Step 5: Solve for x
    x = 2,755,738,535.40/70,484.58
  6. Step 6: Final answer
    x = 39,097.04

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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.