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Finding the Fourth Proportional to 70,536.33, 105,834.17 and 43,904.59

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Solution

The fourth proportional to 70,536.33, 105,834.17 and 43,904.59 is: 65,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,536.33 : 105,834.17 = 43,904.59 : x
  2. Step 2: Convert to fraction form
    70,536.33/105,834.17 = 43,904.59/x
  3. Step 3: Cross multiply
    70,536.33x = 105,834.17 × 43,904.59
  4. Step 4: Simplify right side
    70,536.33x = 4,646,605,841.84
  5. Step 5: Solve for x
    x = 4,646,605,841.84/70,536.33
  6. Step 6: Final answer
    x = 65,875.36

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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.