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Finding the Fourth Proportional to 67,345.77, 101,018.66 and 37,378.40

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Solution

The fourth proportional to 67,345.77, 101,018.66 and 37,378.40 is: 56,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,345.77 : 101,018.66 = 37,378.40 : x
  2. Step 2: Convert to fraction form
    67,345.77/101,018.66 = 37,378.40/x
  3. Step 3: Cross multiply
    67,345.77x = 101,018.66 × 37,378.40
  4. Step 4: Simplify right side
    67,345.77x = 3,775,915,946.60
  5. Step 5: Solve for x
    x = 3,775,915,946.60/67,345.77
  6. Step 6: Final answer
    x = 56,067.60

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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.