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Finding the Fourth Proportional to 235,154.76, 324,335.72 and 163,498.92

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Solution

The fourth proportional to 235,154.76, 324,335.72 and 163,498.92 is: 225,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,154.76 : 324,335.72 = 163,498.92 : x
  2. Step 2: Convert to fraction form
    235,154.76/324,335.72 = 163,498.92/x
  3. Step 3: Cross multiply
    235,154.76x = 324,335.72 × 163,498.92
  4. Step 4: Simplify right side
    235,154.76x = 53,028,539,937.42
  5. Step 5: Solve for x
    x = 53,028,539,937.42/235,154.76
  6. Step 6: Final answer
    x = 225,504.85

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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.