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Finding the Fourth Proportional to 252,492.92, 379,243.80 and 157,891.40

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Solution

The fourth proportional to 252,492.92, 379,243.80 and 157,891.40 is: 237,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,492.92 : 379,243.80 = 157,891.40 : x
  2. Step 2: Convert to fraction form
    252,492.92/379,243.80 = 157,891.40/x
  3. Step 3: Cross multiply
    252,492.92x = 379,243.80 × 157,891.40
  4. Step 4: Simplify right side
    252,492.92x = 59,879,334,523.32
  5. Step 5: Solve for x
    x = 59,879,334,523.32/252,492.92
  6. Step 6: Final answer
    x = 237,152.53

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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.