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Finding the Fourth Proportional to 202,228.71, 279,100.32 and 116,187.51

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Solution

The fourth proportional to 202,228.71, 279,100.32 and 116,187.51 is: 160,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,228.71 : 279,100.32 = 116,187.51 : x
  2. Step 2: Convert to fraction form
    202,228.71/279,100.32 = 116,187.51/x
  3. Step 3: Cross multiply
    202,228.71x = 279,100.32 × 116,187.51
  4. Step 4: Simplify right side
    202,228.71x = 32,427,971,221.00
  5. Step 5: Solve for x
    x = 32,427,971,221.00/202,228.71
  6. Step 6: Final answer
    x = 160,352.95

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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.