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Finding the Fourth Proportional to 169,910.40, 254,800.80 and 51,542.40

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Solution

The fourth proportional to 169,910.40, 254,800.80 and 51,542.40 is: 77,293.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,910.40 : 254,800.80 = 51,542.40 : x
  2. Step 2: Convert to fraction form
    169,910.40/254,800.80 = 51,542.40/x
  3. Step 3: Cross multiply
    169,910.40x = 254,800.80 × 51,542.40
  4. Step 4: Simplify right side
    169,910.40x = 13,133,044,753.92
  5. Step 5: Solve for x
    x = 13,133,044,753.92/169,910.40
  6. Step 6: Final answer
    x = 77,293.94

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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.