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Finding the Fourth Proportional to 97,864.20, 137,194.20 and 97,864.20

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Solution

The fourth proportional to 97,864.20, 137,194.20 and 97,864.20 is: 137,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,864.20 : 137,194.20 = 97,864.20 : x
  2. Step 2: Convert to fraction form
    97,864.20/137,194.20 = 97,864.20/x
  3. Step 3: Cross multiply
    97,864.20x = 137,194.20 × 97,864.20
  4. Step 4: Simplify right side
    97,864.20x = 13,426,400,627.64
  5. Step 5: Solve for x
    x = 13,426,400,627.64/97,864.20
  6. Step 6: Final answer
    x = 137,194.20

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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.