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Finding the Fourth Proportional to 133,086.32, 183,659.16 and 73,470.32

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Solution

The fourth proportional to 133,086.32, 183,659.16 and 73,470.32 is: 101,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,086.32 : 183,659.16 = 73,470.32 : x
  2. Step 2: Convert to fraction form
    133,086.32/183,659.16 = 73,470.32/x
  3. Step 3: Cross multiply
    133,086.32x = 183,659.16 × 73,470.32
  4. Step 4: Simplify right side
    133,086.32x = 13,493,497,256.13
  5. Step 5: Solve for x
    x = 13,493,497,256.13/133,086.32
  6. Step 6: Final answer
    x = 101,389.06

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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.