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Finding the Fourth Proportional to 124,203.70, 171,401.06 and 67,615.06

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Solution

The fourth proportional to 124,203.70, 171,401.06 and 67,615.06 is: 93,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,203.70 : 171,401.06 = 67,615.06 : x
  2. Step 2: Convert to fraction form
    124,203.70/171,401.06 = 67,615.06/x
  3. Step 3: Cross multiply
    124,203.70x = 171,401.06 × 67,615.06
  4. Step 4: Simplify right side
    124,203.70x = 11,589,292,955.96
  5. Step 5: Solve for x
    x = 11,589,292,955.96/124,203.70
  6. Step 6: Final answer
    x = 93,308.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.