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Finding the Fourth Proportional to 85,219.69, 127,829.54 and 26,055.36

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Solution

The fourth proportional to 85,219.69, 127,829.54 and 26,055.36 is: 39,083.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,219.69 : 127,829.54 = 26,055.36 : x
  2. Step 2: Convert to fraction form
    85,219.69/127,829.54 = 26,055.36/x
  3. Step 3: Cross multiply
    85,219.69x = 127,829.54 × 26,055.36
  4. Step 4: Simplify right side
    85,219.69x = 3,330,644,553.06
  5. Step 5: Solve for x
    x = 3,330,644,553.06/85,219.69
  6. Step 6: Final answer
    x = 39,083.04

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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.