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Finding the Fourth Proportional to 107,032.70, 160,439.70 and 62,636.60

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Solution

The fourth proportional to 107,032.70, 160,439.70 and 62,636.60 is: 93,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,032.70 : 160,439.70 = 62,636.60 : x
  2. Step 2: Convert to fraction form
    107,032.70/160,439.70 = 62,636.60/x
  3. Step 3: Cross multiply
    107,032.70x = 160,439.70 × 62,636.60
  4. Step 4: Simplify right side
    107,032.70x = 10,049,397,313.02
  5. Step 5: Solve for x
    x = 10,049,397,313.02/107,032.70
  6. Step 6: Final answer
    x = 93,890.91

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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.