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Finding the Fourth Proportional to 181,663.60, 272,495.40 and 97,682.80

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Solution

The fourth proportional to 181,663.60, 272,495.40 and 97,682.80 is: 146,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,663.60 : 272,495.40 = 97,682.80 : x
  2. Step 2: Convert to fraction form
    181,663.60/272,495.40 = 97,682.80/x
  3. Step 3: Cross multiply
    181,663.60x = 272,495.40 × 97,682.80
  4. Step 4: Simplify right side
    181,663.60x = 26,618,113,659.12
  5. Step 5: Solve for x
    x = 26,618,113,659.12/181,663.60
  6. Step 6: Final answer
    x = 146,524.20

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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.