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Finding the Fourth Proportional to 85,237.58, 127,856.68 and 26,073

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Solution

The fourth proportional to 85,237.58, 127,856.68 and 26,073 is: 39,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,237.58 : 127,856.68 = 26,073 : x
  2. Step 2: Convert to fraction form
    85,237.58/127,856.68 = 26,073/x
  3. Step 3: Cross multiply
    85,237.58x = 127,856.68 × 26,073
  4. Step 4: Simplify right side
    85,237.58x = 3,333,607,217.64
  5. Step 5: Solve for x
    x = 3,333,607,217.64/85,237.58
  6. Step 6: Final answer
    x = 39,109.59

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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.