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Finding the Fourth Proportional to 107,196.48, 160,531.20 and 88,361.28

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Solution

The fourth proportional to 107,196.48, 160,531.20 and 88,361.28 is: 132,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,196.48 : 160,531.20 = 88,361.28 : x
  2. Step 2: Convert to fraction form
    107,196.48/160,531.20 = 88,361.28/x
  3. Step 3: Cross multiply
    107,196.48x = 160,531.20 × 88,361.28
  4. Step 4: Simplify right side
    107,196.48x = 14,184,742,311.94
  5. Step 5: Solve for x
    x = 14,184,742,311.94/107,196.48
  6. Step 6: Final answer
    x = 132,324.70

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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.