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Finding the Fourth Proportional to 251,492.92, 347,031.13 and 144,056.55

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Solution

The fourth proportional to 251,492.92, 347,031.13 and 144,056.55 is: 198,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,492.92 : 347,031.13 = 144,056.55 : x
  2. Step 2: Convert to fraction form
    251,492.92/347,031.13 = 144,056.55/x
  3. Step 3: Cross multiply
    251,492.92x = 347,031.13 × 144,056.55
  4. Step 4: Simplify right side
    251,492.92x = 49,992,107,330.40
  5. Step 5: Solve for x
    x = 49,992,107,330.40/251,492.92
  6. Step 6: Final answer
    x = 198,781.37

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1.5x scale

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.