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Finding the Fourth Proportional to 116,343.84, 160,554.66 and 66,042.84

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Solution

The fourth proportional to 116,343.84, 160,554.66 and 66,042.84 is: 91,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,343.84 : 160,554.66 = 66,042.84 : x
  2. Step 2: Convert to fraction form
    116,343.84/160,554.66 = 66,042.84/x
  3. Step 3: Cross multiply
    116,343.84x = 160,554.66 × 66,042.84
  4. Step 4: Simplify right side
    116,343.84x = 10,603,486,076.05
  5. Step 5: Solve for x
    x = 10,603,486,076.05/116,343.84
  6. Step 6: Final answer
    x = 91,139.21

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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.