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Finding the Fourth Proportional to 124,090.52, 171,245.72 and 67,502.28

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Solution

The fourth proportional to 124,090.52, 171,245.72 and 67,502.28 is: 93,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,090.52 : 171,245.72 = 67,502.28 : x
  2. Step 2: Convert to fraction form
    124,090.52/171,245.72 = 67,502.28/x
  3. Step 3: Cross multiply
    124,090.52x = 171,245.72 × 67,502.28
  4. Step 4: Simplify right side
    124,090.52x = 11,559,476,540.24
  5. Step 5: Solve for x
    x = 11,559,476,540.24/124,090.52
  6. Step 6: Final answer
    x = 93,153.58

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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.