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Finding the Fourth Proportional to 115,204.60, 161,753 and 115,204.60

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Solution

The fourth proportional to 115,204.60, 161,753 and 115,204.60 is: 161,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,204.60 : 161,753 = 115,204.60 : x
  2. Step 2: Convert to fraction form
    115,204.60/161,753 = 115,204.60/x
  3. Step 3: Cross multiply
    115,204.60x = 161,753 × 115,204.60
  4. Step 4: Simplify right side
    115,204.60x = 18,634,689,663.80
  5. Step 5: Solve for x
    x = 18,634,689,663.80/115,204.60
  6. Step 6: Final answer
    x = 161,753.00

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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.