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Finding the Fourth Proportional to 85,234.92, 127,866.72 and 26,056.74

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Solution

The fourth proportional to 85,234.92, 127,866.72 and 26,056.74 is: 39,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,234.92 : 127,866.72 = 26,056.74 : x
  2. Step 2: Convert to fraction form
    85,234.92/127,866.72 = 26,056.74/x
  3. Step 3: Cross multiply
    85,234.92x = 127,866.72 × 26,056.74
  4. Step 4: Simplify right side
    85,234.92x = 3,331,789,877.69
  5. Step 5: Solve for x
    x = 3,331,789,877.69/85,234.92
  6. Step 6: Final answer
    x = 39,089.49

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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.