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Finding the Fourth Proportional to 66,770.79, 100,177.34 and 29,362.47

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Solution

The fourth proportional to 66,770.79, 100,177.34 and 29,362.47 is: 44,053.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,770.79 : 100,177.34 = 29,362.47 : x
  2. Step 2: Convert to fraction form
    66,770.79/100,177.34 = 29,362.47/x
  3. Step 3: Cross multiply
    66,770.79x = 100,177.34 × 29,362.47
  4. Step 4: Simplify right side
    66,770.79x = 2,941,453,993.62
  5. Step 5: Solve for x
    x = 2,941,453,993.62/66,770.79
  6. Step 6: Final answer
    x = 44,053.01

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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.