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Finding the Fourth Proportional to 159,239.60, 238,859.40 and 109,473.20

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Solution

The fourth proportional to 159,239.60, 238,859.40 and 109,473.20 is: 164,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,239.60 : 238,859.40 = 109,473.20 : x
  2. Step 2: Convert to fraction form
    159,239.60/238,859.40 = 109,473.20/x
  3. Step 3: Cross multiply
    159,239.60x = 238,859.40 × 109,473.20
  4. Step 4: Simplify right side
    159,239.60x = 26,148,702,868.08
  5. Step 5: Solve for x
    x = 26,148,702,868.08/159,239.60
  6. Step 6: Final answer
    x = 164,209.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.