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Finding the Fourth Proportional to 79,785,560.80, 119,379,742.80 and 52,911,704.80

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Solution

The fourth proportional to 79,785,560.80, 119,379,742.80 and 52,911,704.80 is: 79,169,534.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,785,560.80 : 119,379,742.80 = 52,911,704.80 : x
  2. Step 2: Convert to fraction form
    79,785,560.80/119,379,742.80 = 52,911,704.80/x
  3. Step 3: Cross multiply
    79,785,560.80x = 119,379,742.80 × 52,911,704.80
  4. Step 4: Simplify right side
    79,785,560.80x = 6,316,585,710,133,525
  5. Step 5: Solve for x
    x = 6,316,585,710,133,525/79,785,560.80
  6. Step 6: Final answer
    x = 79,169,534.52

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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.