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Finding the Fourth Proportional to 235,313.52, 324,735.16 and 127,883.55

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Solution

The fourth proportional to 235,313.52, 324,735.16 and 127,883.55 is: 176,480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,313.52 : 324,735.16 = 127,883.55 : x
  2. Step 2: Convert to fraction form
    235,313.52/324,735.16 = 127,883.55/x
  3. Step 3: Cross multiply
    235,313.52x = 324,735.16 × 127,883.55
  4. Step 4: Simplify right side
    235,313.52x = 41,528,285,070.62
  5. Step 5: Solve for x
    x = 41,528,285,070.62/235,313.52
  6. Step 6: Final answer
    x = 176,480.66

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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.