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Finding the Fourth Proportional to 124,273, 171,512.94 and 73,972

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Solution

The fourth proportional to 124,273, 171,512.94 and 73,972 is: 102,091.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,273 : 171,512.94 = 73,972 : x
  2. Step 2: Convert to fraction form
    124,273/171,512.94 = 73,972/x
  3. Step 3: Cross multiply
    124,273x = 171,512.94 × 73,972
  4. Step 4: Simplify right side
    124,273x = 12,687,155,197.68
  5. Step 5: Solve for x
    x = 12,687,155,197.68/124,273
  6. Step 6: Final answer
    x = 102,091.00

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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.