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Finding the Fourth Proportional to 199,702.55, 299,668.91 and 110,948.55

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Solution

The fourth proportional to 199,702.55, 299,668.91 and 110,948.55 is: 166,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,702.55 : 299,668.91 = 110,948.55 : x
  2. Step 2: Convert to fraction form
    199,702.55/299,668.91 = 110,948.55/x
  3. Step 3: Cross multiply
    199,702.55x = 299,668.91 × 110,948.55
  4. Step 4: Simplify right side
    199,702.55x = 33,247,830,489.84
  5. Step 5: Solve for x
    x = 33,247,830,489.84/199,702.55
  6. Step 6: Final answer
    x = 166,486.76

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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.