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Finding the Fourth Proportional to 114,355.60, 157,806.45 and 65,959.49

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Solution

The fourth proportional to 114,355.60, 157,806.45 and 65,959.49 is: 91,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,355.60 : 157,806.45 = 65,959.49 : x
  2. Step 2: Convert to fraction form
    114,355.60/157,806.45 = 65,959.49/x
  3. Step 3: Cross multiply
    114,355.60x = 157,806.45 × 65,959.49
  4. Step 4: Simplify right side
    114,355.60x = 10,408,833,355.23
  5. Step 5: Solve for x
    x = 10,408,833,355.23/114,355.60
  6. Step 6: Final answer
    x = 91,021.63

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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.