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Finding the Fourth Proportional to 144,251.84, 199,071.60 and 80,596.64

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Solution

The fourth proportional to 144,251.84, 199,071.60 and 80,596.64 is: 111,225.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,251.84 : 199,071.60 = 80,596.64 : x
  2. Step 2: Convert to fraction form
    144,251.84/199,071.60 = 80,596.64/x
  3. Step 3: Cross multiply
    144,251.84x = 199,071.60 × 80,596.64
  4. Step 4: Simplify right side
    144,251.84x = 16,044,502,079.42
  5. Step 5: Solve for x
    x = 16,044,502,079.42/144,251.84
  6. Step 6: Final answer
    x = 111,225.63

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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.