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Finding the Fourth Proportional to 116,186.68, 160,337.70 and 65,885.68

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Solution

The fourth proportional to 116,186.68, 160,337.70 and 65,885.68 is: 90,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,186.68 : 160,337.70 = 65,885.68 : x
  2. Step 2: Convert to fraction form
    116,186.68/160,337.70 = 65,885.68/x
  3. Step 3: Cross multiply
    116,186.68x = 160,337.70 × 65,885.68
  4. Step 4: Simplify right side
    116,186.68x = 10,563,958,394.14
  5. Step 5: Solve for x
    x = 10,563,958,394.14/116,186.68
  6. Step 6: Final answer
    x = 90,922.28

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1.5x scale

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.