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Finding the Fourth Proportional to 106,703.46, 160,072.47 and 40,148.73

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Solution

The fourth proportional to 106,703.46, 160,072.47 and 40,148.73 is: 60,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,703.46 : 160,072.47 = 40,148.73 : x
  2. Step 2: Convert to fraction form
    106,703.46/160,072.47 = 40,148.73/x
  3. Step 3: Cross multiply
    106,703.46x = 160,072.47 × 40,148.73
  4. Step 4: Simplify right side
    106,703.46x = 6,426,706,378.46
  5. Step 5: Solve for x
    x = 6,426,706,378.46/106,703.46
  6. Step 6: Final answer
    x = 60,229.60

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1.5x scale

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.