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Finding the Fourth Proportional to 240,187.56, 358,522.50 and 211,813.08

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Solution

The fourth proportional to 240,187.56, 358,522.50 and 211,813.08 is: 316,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,187.56 : 358,522.50 = 211,813.08 : x
  2. Step 2: Convert to fraction form
    240,187.56/358,522.50 = 211,813.08/x
  3. Step 3: Cross multiply
    240,187.56x = 358,522.50 × 211,813.08
  4. Step 4: Simplify right side
    240,187.56x = 75,939,754,974.30
  5. Step 5: Solve for x
    x = 75,939,754,974.30/240,187.56
  6. Step 6: Final answer
    x = 316,168.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.