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Finding the Fourth Proportional to 114,967.53, 158,630.96 and 67,211.66

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Solution

The fourth proportional to 114,967.53, 158,630.96 and 67,211.66 is: 92,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,967.53 : 158,630.96 = 67,211.66 : x
  2. Step 2: Convert to fraction form
    114,967.53/158,630.96 = 67,211.66/x
  3. Step 3: Cross multiply
    114,967.53x = 158,630.96 × 67,211.66
  4. Step 4: Simplify right side
    114,967.53x = 10,661,849,019.78
  5. Step 5: Solve for x
    x = 10,661,849,019.78/114,967.53
  6. Step 6: Final answer
    x = 92,737.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.