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Finding the Fourth Proportional to 281,092.34, 387,906.22 and 152,030.94

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Solution

The fourth proportional to 281,092.34, 387,906.22 and 152,030.94 is: 209,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,092.34 : 387,906.22 = 152,030.94 : x
  2. Step 2: Convert to fraction form
    281,092.34/387,906.22 = 152,030.94/x
  3. Step 3: Cross multiply
    281,092.34x = 387,906.22 × 152,030.94
  4. Step 4: Simplify right side
    281,092.34x = 58,973,747,320.64
  5. Step 5: Solve for x
    x = 58,973,747,320.64/281,092.34
  6. Step 6: Final answer
    x = 209,802.04

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Why These Related Problems?

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