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Finding the Fourth Proportional to 114,180, 157,568.40 and 63,879

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Solution

The fourth proportional to 114,180, 157,568.40 and 63,879 is: 88,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,180 : 157,568.40 = 63,879 : x
  2. Step 2: Convert to fraction form
    114,180/157,568.40 = 63,879/x
  3. Step 3: Cross multiply
    114,180x = 157,568.40 × 63,879
  4. Step 4: Simplify right side
    114,180x = 10,065,311,823.60
  5. Step 5: Solve for x
    x = 10,065,311,823.60/114,180
  6. Step 6: Final answer
    x = 88,153.02

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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.