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Finding the Fourth Proportional to 207,360.06, 311,115.06 and 72,444.12

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Solution

The fourth proportional to 207,360.06, 311,115.06 and 72,444.12 is: 108,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,360.06 : 311,115.06 = 72,444.12 : x
  2. Step 2: Convert to fraction form
    207,360.06/311,115.06 = 72,444.12/x
  3. Step 3: Cross multiply
    207,360.06x = 311,115.06 × 72,444.12
  4. Step 4: Simplify right side
    207,360.06x = 22,538,456,740.45
  5. Step 5: Solve for x
    x = 22,538,456,740.45/207,360.06
  6. Step 6: Final answer
    x = 108,692.37

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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.