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Finding the Fourth Proportional to 140,908.94, 211,301.97 and 53,295.50

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Solution

The fourth proportional to 140,908.94, 211,301.97 and 53,295.50 is: 79,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,908.94 : 211,301.97 = 53,295.50 : x
  2. Step 2: Convert to fraction form
    140,908.94/211,301.97 = 53,295.50/x
  3. Step 3: Cross multiply
    140,908.94x = 211,301.97 × 53,295.50
  4. Step 4: Simplify right side
    140,908.94x = 11,261,444,142.14
  5. Step 5: Solve for x
    x = 11,261,444,142.14/140,908.94
  6. Step 6: Final answer
    x = 79,920.01

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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.