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Finding the Fourth Proportional to 272,492.70, 408,322.65 and 114,634.62

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Solution

The fourth proportional to 272,492.70, 408,322.65 and 114,634.62 is: 171,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,492.70 : 408,322.65 = 114,634.62 : x
  2. Step 2: Convert to fraction form
    272,492.70/408,322.65 = 114,634.62/x
  3. Step 3: Cross multiply
    272,492.70x = 408,322.65 × 114,634.62
  4. Step 4: Simplify right side
    272,492.70x = 46,807,911,820.14
  5. Step 5: Solve for x
    x = 46,807,911,820.14/272,492.70
  6. Step 6: Final answer
    x = 171,776.76

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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.