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Finding the Fourth Proportional to 144,000.40, 216,000.60 and 50,472.40

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Solution

The fourth proportional to 144,000.40, 216,000.60 and 50,472.40 is: 75,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,000.40 : 216,000.60 = 50,472.40 : x
  2. Step 2: Convert to fraction form
    144,000.40/216,000.60 = 50,472.40/x
  3. Step 3: Cross multiply
    144,000.40x = 216,000.60 × 50,472.40
  4. Step 4: Simplify right side
    144,000.40x = 10,902,068,683.44
  5. Step 5: Solve for x
    x = 10,902,068,683.44/144,000.40
  6. Step 6: Final answer
    x = 75,708.60

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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.