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Finding the Fourth Proportional to 121,960.05, 183,018.15 and 65,839.24

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Solution

The fourth proportional to 121,960.05, 183,018.15 and 65,839.24 is: 98,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,960.05 : 183,018.15 = 65,839.24 : x
  2. Step 2: Convert to fraction form
    121,960.05/183,018.15 = 65,839.24/x
  3. Step 3: Cross multiply
    121,960.05x = 183,018.15 × 65,839.24
  4. Step 4: Simplify right side
    121,960.05x = 12,049,775,902.21
  5. Step 5: Solve for x
    x = 12,049,775,902.21/121,960.05
  6. Step 6: Final answer
    x = 98,801.01

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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.