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Finding the Fourth Proportional to 235,043.76, 324,358.54 and 127,611.64

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Solution

The fourth proportional to 235,043.76, 324,358.54 and 127,611.64 is: 176,103.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,043.76 : 324,358.54 = 127,611.64 : x
  2. Step 2: Convert to fraction form
    235,043.76/324,358.54 = 127,611.64/x
  3. Step 3: Cross multiply
    235,043.76x = 324,358.54 × 127,611.64
  4. Step 4: Simplify right side
    235,043.76x = 41,391,925,237.41
  5. Step 5: Solve for x
    x = 41,391,925,237.41/235,043.76
  6. Step 6: Final answer
    x = 176,103.06

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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.