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Finding the Fourth Proportional to 84,889.90, 127,360.32 and 34,262.89

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Solution

The fourth proportional to 84,889.90, 127,360.32 and 34,262.89 is: 51,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,889.90 : 127,360.32 = 34,262.89 : x
  2. Step 2: Convert to fraction form
    84,889.90/127,360.32 = 34,262.89/x
  3. Step 3: Cross multiply
    84,889.90x = 127,360.32 × 34,262.89
  4. Step 4: Simplify right side
    84,889.90x = 4,363,732,297.63
  5. Step 5: Solve for x
    x = 4,363,732,297.63/84,889.90
  6. Step 6: Final answer
    x = 51,404.61

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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.