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Finding the Fourth Proportional to 140,807.85, 211,212.47 and 35,626.92

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Solution

The fourth proportional to 140,807.85, 211,212.47 and 35,626.92 is: 53,440.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,807.85 : 211,212.47 = 35,626.92 : x
  2. Step 2: Convert to fraction form
    140,807.85/211,212.47 = 35,626.92/x
  3. Step 3: Cross multiply
    140,807.85x = 211,212.47 × 35,626.92
  4. Step 4: Simplify right side
    140,807.85x = 7,524,849,771.69
  5. Step 5: Solve for x
    x = 7,524,849,771.69/140,807.85
  6. Step 6: Final answer
    x = 53,440.56

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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.