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Finding the Fourth Proportional to 151,215.80, 226,823.70 and 72,483.80

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Solution

The fourth proportional to 151,215.80, 226,823.70 and 72,483.80 is: 108,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,215.80 : 226,823.70 = 72,483.80 : x
  2. Step 2: Convert to fraction form
    151,215.80/226,823.70 = 72,483.80/x
  3. Step 3: Cross multiply
    151,215.80x = 226,823.70 × 72,483.80
  4. Step 4: Simplify right side
    151,215.80x = 16,441,043,706.06
  5. Step 5: Solve for x
    x = 16,441,043,706.06/151,215.80
  6. Step 6: Final answer
    x = 108,725.70

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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.