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Finding the Fourth Proportional to 126,746.93, 190,145 and 37,993

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Solution

The fourth proportional to 126,746.93, 190,145 and 37,993 is: 56,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,746.93 : 190,145 = 37,993 : x
  2. Step 2: Convert to fraction form
    126,746.93/190,145 = 37,993/x
  3. Step 3: Cross multiply
    126,746.93x = 190,145 × 37,993
  4. Step 4: Simplify right side
    126,746.93x = 7,224,178,985
  5. Step 5: Solve for x
    x = 7,224,178,985/126,746.93
  6. Step 6: Final answer
    x = 56,996.88

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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.