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Finding the Fourth Proportional to 67,657.95, 93,405.42 and 50,656.05

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Solution

The fourth proportional to 67,657.95, 93,405.42 and 50,656.05 is: 69,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,657.95 : 93,405.42 = 50,656.05 : x
  2. Step 2: Convert to fraction form
    67,657.95/93,405.42 = 50,656.05/x
  3. Step 3: Cross multiply
    67,657.95x = 93,405.42 × 50,656.05
  4. Step 4: Simplify right side
    67,657.95x = 4,731,549,625.79
  5. Step 5: Solve for x
    x = 4,731,549,625.79/67,657.95
  6. Step 6: Final answer
    x = 69,933.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.