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Finding the Fourth Proportional to 114,428.60, 171,655.70 and 35,542.20

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Solution

The fourth proportional to 114,428.60, 171,655.70 and 35,542.20 is: 53,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,428.60 : 171,655.70 = 35,542.20 : x
  2. Step 2: Convert to fraction form
    114,428.60/171,655.70 = 35,542.20/x
  3. Step 3: Cross multiply
    114,428.60x = 171,655.70 × 35,542.20
  4. Step 4: Simplify right side
    114,428.60x = 6,101,021,220.54
  5. Step 5: Solve for x
    x = 6,101,021,220.54/114,428.60
  6. Step 6: Final answer
    x = 53,317.28

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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.