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Finding the Fourth Proportional to 232,627.86, 348,720.15 and 74,745.48

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Solution

The fourth proportional to 232,627.86, 348,720.15 and 74,745.48 is: 112,047.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,627.86 : 348,720.15 = 74,745.48 : x
  2. Step 2: Convert to fraction form
    232,627.86/348,720.15 = 74,745.48/x
  3. Step 3: Cross multiply
    232,627.86x = 348,720.15 × 74,745.48
  4. Step 4: Simplify right side
    232,627.86x = 26,065,254,997.42
  5. Step 5: Solve for x
    x = 26,065,254,997.42/232,627.86
  6. Step 6: Final answer
    x = 112,047.01

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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.