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Finding the Fourth Proportional to 235,662.41, 325,212.60 and 128,232.86

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Solution

The fourth proportional to 235,662.41, 325,212.60 and 128,232.86 is: 176,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,662.41 : 325,212.60 = 128,232.86 : x
  2. Step 2: Convert to fraction form
    235,662.41/325,212.60 = 128,232.86/x
  3. Step 3: Cross multiply
    235,662.41x = 325,212.60 × 128,232.86
  4. Step 4: Simplify right side
    235,662.41x = 41,702,941,806.04
  5. Step 5: Solve for x
    x = 41,702,941,806.04/235,662.41
  6. Step 6: Final answer
    x = 176,960.52

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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.