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Finding the Fourth Proportional to 84,953.96, 127,466.04 and 42,811.52

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Solution

The fourth proportional to 84,953.96, 127,466.04 and 42,811.52 is: 64,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,953.96 : 127,466.04 = 42,811.52 : x
  2. Step 2: Convert to fraction form
    84,953.96/127,466.04 = 42,811.52/x
  3. Step 3: Cross multiply
    84,953.96x = 127,466.04 × 42,811.52
  4. Step 4: Simplify right side
    84,953.96x = 5,457,014,920.78
  5. Step 5: Solve for x
    x = 5,457,014,920.78/84,953.96
  6. Step 6: Final answer
    x = 64,234.97

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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.