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Finding the Fourth Proportional to 85,151.01, 127,741.98 and 35,203.98

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Solution

The fourth proportional to 85,151.01, 127,741.98 and 35,203.98 is: 52,812.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,151.01 : 127,741.98 = 35,203.98 : x
  2. Step 2: Convert to fraction form
    85,151.01/127,741.98 = 35,203.98/x
  3. Step 3: Cross multiply
    85,151.01x = 127,741.98 × 35,203.98
  4. Step 4: Simplify right side
    85,151.01x = 4,497,026,109.08
  5. Step 5: Solve for x
    x = 4,497,026,109.08/85,151.01
  6. Step 6: Final answer
    x = 52,812.36

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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.