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Finding the Fourth Proportional to 353,759.73, 530,665.71 and 101,061.60

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Solution

The fourth proportional to 353,759.73, 530,665.71 and 101,061.60 is: 151,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,759.73 : 530,665.71 = 101,061.60 : x
  2. Step 2: Convert to fraction form
    353,759.73/530,665.71 = 101,061.60/x
  3. Step 3: Cross multiply
    353,759.73x = 530,665.71 × 101,061.60
  4. Step 4: Simplify right side
    353,759.73x = 53,629,925,717.74
  5. Step 5: Solve for x
    x = 53,629,925,717.74/353,759.73
  6. Step 6: Final answer
    x = 151,599.86

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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.