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Finding the Fourth Proportional to 169,403.28, 254,110.20 and 62,813.76

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Solution

The fourth proportional to 169,403.28, 254,110.20 and 62,813.76 is: 94,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,403.28 : 254,110.20 = 62,813.76 : x
  2. Step 2: Convert to fraction form
    169,403.28/254,110.20 = 62,813.76/x
  3. Step 3: Cross multiply
    169,403.28x = 254,110.20 × 62,813.76
  4. Step 4: Simplify right side
    169,403.28x = 15,961,617,116.35
  5. Step 5: Solve for x
    x = 15,961,617,116.35/169,403.28
  6. Step 6: Final answer
    x = 94,222.60

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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.