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Finding the Fourth Proportional to 67,064,932.80, 100,597,399.20 and 60,687,640.80

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Solution

The fourth proportional to 67,064,932.80, 100,597,399.20 and 60,687,640.80 is: 91,031,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,064,932.80 : 100,597,399.20 = 60,687,640.80 : x
  2. Step 2: Convert to fraction form
    67,064,932.80/100,597,399.20 = 60,687,640.80/x
  3. Step 3: Cross multiply
    67,064,932.80x = 100,597,399.20 × 60,687,640.80
  4. Step 4: Simplify right side
    67,064,932.80x = 6,105,018,828,063,807
  5. Step 5: Solve for x
    x = 6,105,018,828,063,807/67,064,932.80
  6. Step 6: Final answer
    x = 91,031,461.20

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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.