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Finding the Fourth Proportional to 94,189.17, 129,883.26 and 65,541.27

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Solution

The fourth proportional to 94,189.17, 129,883.26 and 65,541.27 is: 90,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,189.17 : 129,883.26 = 65,541.27 : x
  2. Step 2: Convert to fraction form
    94,189.17/129,883.26 = 65,541.27/x
  3. Step 3: Cross multiply
    94,189.17x = 129,883.26 × 65,541.27
  4. Step 4: Simplify right side
    94,189.17x = 8,512,713,812.14
  5. Step 5: Solve for x
    x = 8,512,713,812.14/94,189.17
  6. Step 6: Final answer
    x = 90,378.90

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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.