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Finding the Fourth Proportional to 271,502.55, 374,578.23 and 156,777.93

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Solution

The fourth proportional to 271,502.55, 374,578.23 and 156,777.93 is: 216,298.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,502.55 : 374,578.23 = 156,777.93 : x
  2. Step 2: Convert to fraction form
    271,502.55/374,578.23 = 156,777.93/x
  3. Step 3: Cross multiply
    271,502.55x = 374,578.23 × 156,777.93
  4. Step 4: Simplify right side
    271,502.55x = 58,725,599,522.46
  5. Step 5: Solve for x
    x = 58,725,599,522.46/271,502.55
  6. Step 6: Final answer
    x = 216,298.52

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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.