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Finding the Fourth Proportional to 116,079.40, 173,859.90 and 89,576.20

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Solution

The fourth proportional to 116,079.40, 173,859.90 and 89,576.20 is: 134,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,079.40 : 173,859.90 = 89,576.20 : x
  2. Step 2: Convert to fraction form
    116,079.40/173,859.90 = 89,576.20/x
  3. Step 3: Cross multiply
    116,079.40x = 173,859.90 × 89,576.20
  4. Step 4: Simplify right side
    116,079.40x = 15,573,709,174.38
  5. Step 5: Solve for x
    x = 15,573,709,174.38/116,079.40
  6. Step 6: Final answer
    x = 134,164.28

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1.5x scale

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.