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Finding the Fourth Proportional to 225,611, 338,437.40 and 73,808.92

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Solution

The fourth proportional to 225,611, 338,437.40 and 73,808.92 is: 110,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,611 : 338,437.40 = 73,808.92 : x
  2. Step 2: Convert to fraction form
    225,611/338,437.40 = 73,808.92/x
  3. Step 3: Cross multiply
    225,611x = 338,437.40 × 73,808.92
  4. Step 4: Simplify right side
    225,611x = 24,979,698,981.61
  5. Step 5: Solve for x
    x = 24,979,698,981.61/225,611
  6. Step 6: Final answer
    x = 110,720.22

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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.