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Finding the Fourth Proportional to 229,499.82, 316,862.22 and 143,588.22

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Solution

The fourth proportional to 229,499.82, 316,862.22 and 143,588.22 is: 198,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,499.82 : 316,862.22 = 143,588.22 : x
  2. Step 2: Convert to fraction form
    229,499.82/316,862.22 = 143,588.22/x
  3. Step 3: Cross multiply
    229,499.82x = 316,862.22 × 143,588.22
  4. Step 4: Simplify right side
    229,499.82x = 45,497,682,155.05
  5. Step 5: Solve for x
    x = 45,497,682,155.05/229,499.82
  6. Step 6: Final answer
    x = 198,247.14

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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.