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Finding the Fourth Proportional to 271,159.94, 374,214.48 and 156,395.90

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Solution

The fourth proportional to 271,159.94, 374,214.48 and 156,395.90 is: 215,834.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,159.94 : 374,214.48 = 156,395.90 : x
  2. Step 2: Convert to fraction form
    271,159.94/374,214.48 = 156,395.90/x
  3. Step 3: Cross multiply
    271,159.94x = 374,214.48 × 156,395.90
  4. Step 4: Simplify right side
    271,159.94x = 58,525,610,392.63
  5. Step 5: Solve for x
    x = 58,525,610,392.63/271,159.94
  6. Step 6: Final answer
    x = 215,834.28

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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.