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Finding the Fourth Proportional to 67,716,464.40, 101,574,696.60 and 50,472,406.80

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Solution

The fourth proportional to 67,716,464.40, 101,574,696.60 and 50,472,406.80 is: 75,708,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,716,464.40 : 101,574,696.60 = 50,472,406.80 : x
  2. Step 2: Convert to fraction form
    67,716,464.40/101,574,696.60 = 50,472,406.80/x
  3. Step 3: Cross multiply
    67,716,464.40x = 101,574,696.60 × 50,472,406.80
  4. Step 4: Simplify right side
    67,716,464.40x = 5,126,719,407,381,776
  5. Step 5: Solve for x
    x = 5,126,719,407,381,776/67,716,464.40
  6. Step 6: Final answer
    x = 75,708,610.20

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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.