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Finding the Fourth Proportional to 85,198.76, 127,810.48 and 26,026.84

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Solution

The fourth proportional to 85,198.76, 127,810.48 and 26,026.84 is: 39,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,198.76 : 127,810.48 = 26,026.84 : x
  2. Step 2: Convert to fraction form
    85,198.76/127,810.48 = 26,026.84/x
  3. Step 3: Cross multiply
    85,198.76x = 127,810.48 × 26,026.84
  4. Step 4: Simplify right side
    85,198.76x = 3,326,502,913.28
  5. Step 5: Solve for x
    x = 3,326,502,913.28/85,198.76
  6. Step 6: Final answer
    x = 39,044.03

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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.