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Finding the Fourth Proportional to 124,360.84, 171,224.47 and 112,996.32

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Solution

The fourth proportional to 124,360.84, 171,224.47 and 112,996.32 is: 155,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,360.84 : 171,224.47 = 112,996.32 : x
  2. Step 2: Convert to fraction form
    124,360.84/171,224.47 = 112,996.32/x
  3. Step 3: Cross multiply
    124,360.84x = 171,224.47 × 112,996.32
  4. Step 4: Simplify right side
    124,360.84x = 19,347,735,003.95
  5. Step 5: Solve for x
    x = 19,347,735,003.95/124,360.84
  6. Step 6: Final answer
    x = 155,577.39

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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.