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Finding the Fourth Proportional to 114,429.20, 171,643.80 and 35,542.80

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Solution

The fourth proportional to 114,429.20, 171,643.80 and 35,542.80 is: 53,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,429.20 : 171,643.80 = 35,542.80 : x
  2. Step 2: Convert to fraction form
    114,429.20/171,643.80 = 35,542.80/x
  3. Step 3: Cross multiply
    114,429.20x = 171,643.80 × 35,542.80
  4. Step 4: Simplify right side
    114,429.20x = 6,100,701,254.64
  5. Step 5: Solve for x
    x = 6,100,701,254.64/114,429.20
  6. Step 6: Final answer
    x = 53,314.20

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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.