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Finding the Fourth Proportional to 67,855.86, 101,746.80 and 23,478.93

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Solution

The fourth proportional to 67,855.86, 101,746.80 and 23,478.93 is: 35,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,855.86 : 101,746.80 = 23,478.93 : x
  2. Step 2: Convert to fraction form
    67,855.86/101,746.80 = 23,478.93/x
  3. Step 3: Cross multiply
    67,855.86x = 101,746.80 × 23,478.93
  4. Step 4: Simplify right side
    67,855.86x = 2,388,905,994.92
  5. Step 5: Solve for x
    x = 2,388,905,994.92/67,855.86
  6. Step 6: Final answer
    x = 35,205.60

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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.