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Finding the Fourth Proportional to 156,904, 235,459.68 and 73,804.48

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Solution

The fourth proportional to 156,904, 235,459.68 and 73,804.48 is: 110,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,904 : 235,459.68 = 73,804.48 : x
  2. Step 2: Convert to fraction form
    156,904/235,459.68 = 73,804.48/x
  3. Step 3: Cross multiply
    156,904x = 235,459.68 × 73,804.48
  4. Step 4: Simplify right side
    156,904x = 17,377,979,243.37
  5. Step 5: Solve for x
    x = 17,377,979,243.37/156,904
  6. Step 6: Final answer
    x = 110,755.49

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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.