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Finding the Fourth Proportional to 199,781.34, 275,706.65 and 114,898.47

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Solution

The fourth proportional to 199,781.34, 275,706.65 and 114,898.47 is: 158,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,781.34 : 275,706.65 = 114,898.47 : x
  2. Step 2: Convert to fraction form
    199,781.34/275,706.65 = 114,898.47/x
  3. Step 3: Cross multiply
    199,781.34x = 275,706.65 × 114,898.47
  4. Step 4: Simplify right side
    199,781.34x = 31,678,271,679.33
  5. Step 5: Solve for x
    x = 31,678,271,679.33/199,781.34
  6. Step 6: Final answer
    x = 158,564.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.