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Finding the Fourth Proportional to 203,901.90, 286,053.15 and 203,901.90

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Solution

The fourth proportional to 203,901.90, 286,053.15 and 203,901.90 is: 286,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,901.90 : 286,053.15 = 203,901.90 : x
  2. Step 2: Convert to fraction form
    203,901.90/286,053.15 = 203,901.90/x
  3. Step 3: Cross multiply
    203,901.90x = 286,053.15 × 203,901.90
  4. Step 4: Simplify right side
    203,901.90x = 58,326,780,785.99
  5. Step 5: Solve for x
    x = 58,326,780,785.99/203,901.90
  6. Step 6: Final answer
    x = 286,053.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.