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Finding the Fourth Proportional to 114,269.40, 157,700.52 and 65,879.19

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Solution

The fourth proportional to 114,269.40, 157,700.52 and 65,879.19 is: 90,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,269.40 : 157,700.52 = 65,879.19 : x
  2. Step 2: Convert to fraction form
    114,269.40/157,700.52 = 65,879.19/x
  3. Step 3: Cross multiply
    114,269.40x = 157,700.52 × 65,879.19
  4. Step 4: Simplify right side
    114,269.40x = 10,389,182,520.18
  5. Step 5: Solve for x
    x = 10,389,182,520.18/114,269.40
  6. Step 6: Final answer
    x = 90,918.33

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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.