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Finding the Fourth Proportional to 124,769.84, 186,977.84 and 96,558.57

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Solution

The fourth proportional to 124,769.84, 186,977.84 and 96,558.57 is: 144,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,769.84 : 186,977.84 = 96,558.57 : x
  2. Step 2: Convert to fraction form
    124,769.84/186,977.84 = 96,558.57/x
  3. Step 3: Cross multiply
    124,769.84x = 186,977.84 × 96,558.57
  4. Step 4: Simplify right side
    124,769.84x = 18,054,312,852.09
  5. Step 5: Solve for x
    x = 18,054,312,852.09/124,769.84
  6. Step 6: Final answer
    x = 144,700.94

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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.