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Finding the Fourth Proportional to 122,086.71, 183,174.11 and 65,100.68

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Solution

The fourth proportional to 122,086.71, 183,174.11 and 65,100.68 is: 97,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,086.71 : 183,174.11 = 65,100.68 : x
  2. Step 2: Convert to fraction form
    122,086.71/183,174.11 = 65,100.68/x
  3. Step 3: Cross multiply
    122,086.71x = 183,174.11 × 65,100.68
  4. Step 4: Simplify right side
    122,086.71x = 11,924,758,809.05
  5. Step 5: Solve for x
    x = 11,924,758,809.05/122,086.71
  6. Step 6: Final answer
    x = 97,674.50

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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.