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Finding the Fourth Proportional to 67,698.80, 101,317.80 and 59,404.40

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Solution

The fourth proportional to 67,698.80, 101,317.80 and 59,404.40 is: 88,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,698.80 : 101,317.80 = 59,404.40 : x
  2. Step 2: Convert to fraction form
    67,698.80/101,317.80 = 59,404.40/x
  3. Step 3: Cross multiply
    67,698.80x = 101,317.80 × 59,404.40
  4. Step 4: Simplify right side
    67,698.80x = 6,018,723,118.32
  5. Step 5: Solve for x
    x = 6,018,723,118.32/67,698.80
  6. Step 6: Final answer
    x = 88,904.43

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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.