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Finding the Fourth Proportional to 124,182.78, 185,372.60 and 114,931.26

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Solution

The fourth proportional to 124,182.78, 185,372.60 and 114,931.26 is: 171,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,182.78 : 185,372.60 = 114,931.26 : x
  2. Step 2: Convert to fraction form
    124,182.78/185,372.60 = 114,931.26/x
  3. Step 3: Cross multiply
    124,182.78x = 185,372.60 × 114,931.26
  4. Step 4: Simplify right side
    124,182.78x = 21,305,106,487.48
  5. Step 5: Solve for x
    x = 21,305,106,487.48/124,182.78
  6. Step 6: Final answer
    x = 171,562.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.