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Finding the Fourth Proportional to 133,085.32, 183,657.78 and 73,469.32

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Solution

The fourth proportional to 133,085.32, 183,657.78 and 73,469.32 is: 101,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,085.32 : 183,657.78 = 73,469.32 : x
  2. Step 2: Convert to fraction form
    133,085.32/183,657.78 = 73,469.32/x
  3. Step 3: Cross multiply
    133,085.32x = 183,657.78 × 73,469.32
  4. Step 4: Simplify right side
    133,085.32x = 13,493,212,209.31
  5. Step 5: Solve for x
    x = 13,493,212,209.31/133,085.32
  6. Step 6: Final answer
    x = 101,387.68

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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.