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Finding the Fourth Proportional to 100,597.95, 150,755.07 and 79,444.80

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Solution

The fourth proportional to 100,597.95, 150,755.07 and 79,444.80 is: 119,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,597.95 : 150,755.07 = 79,444.80 : x
  2. Step 2: Convert to fraction form
    100,597.95/150,755.07 = 79,444.80/x
  3. Step 3: Cross multiply
    100,597.95x = 150,755.07 × 79,444.80
  4. Step 4: Simplify right side
    100,597.95x = 11,976,706,683.05
  5. Step 5: Solve for x
    x = 11,976,706,683.05/100,597.95
  6. Step 6: Final answer
    x = 119,055.18

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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.