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Finding the Fourth Proportional to 199,573.65, 299,360.48 and 189,732.15

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Solution

The fourth proportional to 199,573.65, 299,360.48 and 189,732.15 is: 284,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,573.65 : 299,360.48 = 189,732.15 : x
  2. Step 2: Convert to fraction form
    199,573.65/299,360.48 = 189,732.15/x
  3. Step 3: Cross multiply
    199,573.65x = 299,360.48 × 189,732.15
  4. Step 4: Simplify right side
    199,573.65x = 56,798,306,546.77
  5. Step 5: Solve for x
    x = 56,798,306,546.77/199,573.65
  6. Step 6: Final answer
    x = 284,598.23

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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.