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Finding the Fourth Proportional to 116,593.85, 160,898.47 and 66,292.85

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Solution

The fourth proportional to 116,593.85, 160,898.47 and 66,292.85 is: 91,483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,593.85 : 160,898.47 = 66,292.85 : x
  2. Step 2: Convert to fraction form
    116,593.85/160,898.47 = 66,292.85/x
  3. Step 3: Cross multiply
    116,593.85x = 160,898.47 × 66,292.85
  4. Step 4: Simplify right side
    116,593.85x = 10,666,418,373.45
  5. Step 5: Solve for x
    x = 10,666,418,373.45/116,593.85
  6. Step 6: Final answer
    x = 91,483.54

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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.