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Finding the Fourth Proportional to 124,768.84, 186,976.34 and 96,557.57

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Solution

The fourth proportional to 124,768.84, 186,976.34 and 96,557.57 is: 144,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,768.84 : 186,976.34 = 96,557.57 : x
  2. Step 2: Convert to fraction form
    124,768.84/186,976.34 = 96,557.57/x
  3. Step 3: Cross multiply
    124,768.84x = 186,976.34 × 96,557.57
  4. Step 4: Simplify right side
    124,768.84x = 18,053,980,955.04
  5. Step 5: Solve for x
    x = 18,053,980,955.04/124,768.84
  6. Step 6: Final answer
    x = 144,699.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.