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Finding the Fourth Proportional to 111,617.40, 167,814.90 and 94,510.20

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Solution

The fourth proportional to 111,617.40, 167,814.90 and 94,510.20 is: 142,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,617.40 : 167,814.90 = 94,510.20 : x
  2. Step 2: Convert to fraction form
    111,617.40/167,814.90 = 94,510.20/x
  3. Step 3: Cross multiply
    111,617.40x = 167,814.90 × 94,510.20
  4. Step 4: Simplify right side
    111,617.40x = 15,860,219,761.98
  5. Step 5: Solve for x
    x = 15,860,219,761.98/111,617.40
  6. Step 6: Final answer
    x = 142,094.51

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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.