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Finding the Fourth Proportional to 174,560.78, 240,875.56 and 117,188.48

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Solution

The fourth proportional to 174,560.78, 240,875.56 and 117,188.48 is: 161,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,560.78 : 240,875.56 = 117,188.48 : x
  2. Step 2: Convert to fraction form
    174,560.78/240,875.56 = 117,188.48/x
  3. Step 3: Cross multiply
    174,560.78x = 240,875.56 × 117,188.48
  4. Step 4: Simplify right side
    174,560.78x = 28,227,840,745.55
  5. Step 5: Solve for x
    x = 28,227,840,745.55/174,560.78
  6. Step 6: Final answer
    x = 161,707.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.