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Finding the Fourth Proportional to 235,625.52, 324,715.32 and 168,440.88

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Solution

The fourth proportional to 235,625.52, 324,715.32 and 168,440.88 is: 232,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,625.52 : 324,715.32 = 168,440.88 : x
  2. Step 2: Convert to fraction form
    235,625.52/324,715.32 = 168,440.88/x
  3. Step 3: Cross multiply
    235,625.52x = 324,715.32 × 168,440.88
  4. Step 4: Simplify right side
    235,625.52x = 54,695,334,250.28
  5. Step 5: Solve for x
    x = 54,695,334,250.28/235,625.52
  6. Step 6: Final answer
    x = 232,128.23

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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.