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Finding the Fourth Proportional to 133,346.73, 183,931.78 and 85,524.33

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Solution

The fourth proportional to 133,346.73, 183,931.78 and 85,524.33 is: 117,967.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,346.73 : 183,931.78 = 85,524.33 : x
  2. Step 2: Convert to fraction form
    133,346.73/183,931.78 = 85,524.33/x
  3. Step 3: Cross multiply
    133,346.73x = 183,931.78 × 85,524.33
  4. Step 4: Simplify right side
    133,346.73x = 15,730,642,250.21
  5. Step 5: Solve for x
    x = 15,730,642,250.21/133,346.73
  6. Step 6: Final answer
    x = 117,967.96

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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.