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Finding the Fourth Proportional to 211,750.84, 317,558.82 and 69,563.11

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Solution

The fourth proportional to 211,750.84, 317,558.82 and 69,563.11 is: 104,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,750.84 : 317,558.82 = 69,563.11 : x
  2. Step 2: Convert to fraction form
    211,750.84/317,558.82 = 69,563.11/x
  3. Step 3: Cross multiply
    211,750.84x = 317,558.82 × 69,563.11
  4. Step 4: Simplify right side
    211,750.84x = 22,090,378,333.23
  5. Step 5: Solve for x
    x = 22,090,378,333.23/211,750.84
  6. Step 6: Final answer
    x = 104,322.51

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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.