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Finding the Fourth Proportional to 169,513.40, 254,108.10 and 62,868.80

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Solution

The fourth proportional to 169,513.40, 254,108.10 and 62,868.80 is: 94,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,513.40 : 254,108.10 = 62,868.80 : x
  2. Step 2: Convert to fraction form
    169,513.40/254,108.10 = 62,868.80/x
  3. Step 3: Cross multiply
    169,513.40x = 254,108.10 × 62,868.80
  4. Step 4: Simplify right side
    169,513.40x = 15,975,471,317.28
  5. Step 5: Solve for x
    x = 15,975,471,317.28/169,513.40
  6. Step 6: Final answer
    x = 94,243.12

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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.