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Finding the Fourth Proportional to 245,772.27, 368,658.27 and 140,517.45

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Solution

The fourth proportional to 245,772.27, 368,658.27 and 140,517.45 is: 210,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,772.27 : 368,658.27 = 140,517.45 : x
  2. Step 2: Convert to fraction form
    245,772.27/368,658.27 = 140,517.45/x
  3. Step 3: Cross multiply
    245,772.27x = 368,658.27 × 140,517.45
  4. Step 4: Simplify right side
    245,772.27x = 51,802,920,021.81
  5. Step 5: Solve for x
    x = 51,802,920,021.81/245,772.27
  6. Step 6: Final answer
    x = 210,776.10

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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.