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Finding the Fourth Proportional to 67,877,316.80, 101,704,000.80 and 57,799,620.80

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Solution

The fourth proportional to 67,877,316.80, 101,704,000.80 and 57,799,620.80 is: 86,604,081.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,877,316.80 : 101,704,000.80 = 57,799,620.80 : x
  2. Step 2: Convert to fraction form
    67,877,316.80/101,704,000.80 = 57,799,620.80/x
  3. Step 3: Cross multiply
    67,877,316.80x = 101,704,000.80 × 57,799,620.80
  4. Step 4: Simplify right side
    67,877,316.80x = 5,878,452,680,082,896
  5. Step 5: Solve for x
    x = 5,878,452,680,082,896/67,877,316.80
  6. Step 6: Final answer
    x = 86,604,081.56

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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.