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Finding the Fourth Proportional to 84,164.40, 126,227.16 and 24,985.80

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Solution

The fourth proportional to 84,164.40, 126,227.16 and 24,985.80 is: 37,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,164.40 : 126,227.16 = 24,985.80 : x
  2. Step 2: Convert to fraction form
    84,164.40/126,227.16 = 24,985.80/x
  3. Step 3: Cross multiply
    84,164.40x = 126,227.16 × 24,985.80
  4. Step 4: Simplify right side
    84,164.40x = 3,153,886,574.33
  5. Step 5: Solve for x
    x = 3,153,886,574.33/84,164.40
  6. Step 6: Final answer
    x = 37,472.93

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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.