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Finding the Fourth Proportional to 127,162.74, 190,745.93 and 38,417.01

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Solution

The fourth proportional to 127,162.74, 190,745.93 and 38,417.01 is: 57,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,162.74 : 190,745.93 = 38,417.01 : x
  2. Step 2: Convert to fraction form
    127,162.74/190,745.93 = 38,417.01/x
  3. Step 3: Cross multiply
    127,162.74x = 190,745.93 × 38,417.01
  4. Step 4: Simplify right side
    127,162.74x = 7,327,888,108.18
  5. Step 5: Solve for x
    x = 7,327,888,108.18/127,162.74
  6. Step 6: Final answer
    x = 57,626.06

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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.