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Finding the Fourth Proportional to 200,747.40, 301,077.90 and 88,427.40

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Solution

The fourth proportional to 200,747.40, 301,077.90 and 88,427.40 is: 132,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,747.40 : 301,077.90 = 88,427.40 : x
  2. Step 2: Convert to fraction form
    200,747.40/301,077.90 = 88,427.40/x
  3. Step 3: Cross multiply
    200,747.40x = 301,077.90 × 88,427.40
  4. Step 4: Simplify right side
    200,747.40x = 26,623,535,894.46
  5. Step 5: Solve for x
    x = 26,623,535,894.46/200,747.40
  6. Step 6: Final answer
    x = 132,622.07

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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.