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Finding the Fourth Proportional to 201,750.90, 302,772.15 and 112,910.10

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Solution

The fourth proportional to 201,750.90, 302,772.15 and 112,910.10 is: 169,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,750.90 : 302,772.15 = 112,910.10 : x
  2. Step 2: Convert to fraction form
    201,750.90/302,772.15 = 112,910.10/x
  3. Step 3: Cross multiply
    201,750.90x = 302,772.15 × 112,910.10
  4. Step 4: Simplify right side
    201,750.90x = 34,186,033,733.72
  5. Step 5: Solve for x
    x = 34,186,033,733.72/201,750.90
  6. Step 6: Final answer
    x = 169,446.75

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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.