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Finding the Fourth Proportional to 353,781.69, 530,742.57 and 101,064.36

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Solution

The fourth proportional to 353,781.69, 530,742.57 and 101,064.36 is: 151,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,781.69 : 530,742.57 = 101,064.36 : x
  2. Step 2: Convert to fraction form
    353,781.69/530,742.57 = 101,064.36/x
  3. Step 3: Cross multiply
    353,781.69x = 530,742.57 × 101,064.36
  4. Step 4: Simplify right side
    353,781.69x = 53,639,158,161.81
  5. Step 5: Solve for x
    x = 53,639,158,161.81/353,781.69
  6. Step 6: Final answer
    x = 151,616.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.