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Finding the Fourth Proportional to 191,232.54, 286,979.49 and 66,573.54

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Solution

The fourth proportional to 191,232.54, 286,979.49 and 66,573.54 is: 99,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,232.54 : 286,979.49 = 66,573.54 : x
  2. Step 2: Convert to fraction form
    191,232.54/286,979.49 = 66,573.54/x
  3. Step 3: Cross multiply
    191,232.54x = 286,979.49 × 66,573.54
  4. Step 4: Simplify right side
    191,232.54x = 19,105,240,556.69
  5. Step 5: Solve for x
    x = 19,105,240,556.69/191,232.54
  6. Step 6: Final answer
    x = 99,905.80

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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.