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Finding the Fourth Proportional to 251,602.17, 377,440.50 and 83,140.29

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Solution

The fourth proportional to 251,602.17, 377,440.50 and 83,140.29 is: 124,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,602.17 : 377,440.50 = 83,140.29 : x
  2. Step 2: Convert to fraction form
    251,602.17/377,440.50 = 83,140.29/x
  3. Step 3: Cross multiply
    251,602.17x = 377,440.50 × 83,140.29
  4. Step 4: Simplify right side
    251,602.17x = 31,380,512,627.75
  5. Step 5: Solve for x
    x = 31,380,512,627.75/251,602.17
  6. Step 6: Final answer
    x = 124,722.74

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1.5x scale

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.