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Finding the Fourth Proportional to 196,300.53, 293,869.53 and 121,179.13

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Solution

The fourth proportional to 196,300.53, 293,869.53 and 121,179.13 is: 181,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,300.53 : 293,869.53 = 121,179.13 : x
  2. Step 2: Convert to fraction form
    196,300.53/293,869.53 = 121,179.13/x
  3. Step 3: Cross multiply
    196,300.53x = 293,869.53 × 121,179.13
  4. Step 4: Simplify right side
    196,300.53x = 35,610,853,373.01
  5. Step 5: Solve for x
    x = 35,610,853,373.01/196,300.53
  6. Step 6: Final answer
    x = 181,409.87

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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.