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Finding the Fourth Proportional to 67,064,933.80, 100,597,400.70 and 60,687,641.80

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Solution

The fourth proportional to 67,064,933.80, 100,597,400.70 and 60,687,641.80 is: 91,031,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,064,933.80 : 100,597,400.70 = 60,687,641.80 : x
  2. Step 2: Convert to fraction form
    67,064,933.80/100,597,400.70 = 60,687,641.80/x
  3. Step 3: Cross multiply
    67,064,933.80x = 100,597,400.70 × 60,687,641.80
  4. Step 4: Simplify right side
    67,064,933.80x = 6,105,019,019,692,669
  5. Step 5: Solve for x
    x = 6,105,019,019,692,669/67,064,933.80
  6. Step 6: Final answer
    x = 91,031,462.70

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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.