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Finding the Fourth Proportional to 186,967.26, 280,451.34 and 74,656.62

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Solution

The fourth proportional to 186,967.26, 280,451.34 and 74,656.62 is: 111,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,967.26 : 280,451.34 = 74,656.62 : x
  2. Step 2: Convert to fraction form
    186,967.26/280,451.34 = 74,656.62/x
  3. Step 3: Cross multiply
    186,967.26x = 280,451.34 × 74,656.62
  4. Step 4: Simplify right side
    186,967.26x = 20,937,549,118.87
  5. Step 5: Solve for x
    x = 20,937,549,118.87/186,967.26
  6. Step 6: Final answer
    x = 111,985.11

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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.