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Finding the Fourth Proportional to 211,889.98, 291,768.78 and 183,158.74

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Solution

The fourth proportional to 211,889.98, 291,768.78 and 183,158.74 is: 252,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,889.98 : 291,768.78 = 183,158.74 : x
  2. Step 2: Convert to fraction form
    211,889.98/291,768.78 = 183,158.74/x
  3. Step 3: Cross multiply
    211,889.98x = 291,768.78 × 183,158.74
  4. Step 4: Simplify right side
    211,889.98x = 53,440,002,116.14
  5. Step 5: Solve for x
    x = 53,440,002,116.14/211,889.98
  6. Step 6: Final answer
    x = 252,206.37

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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.