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Finding the Fourth Proportional to 271,689.90, 407,721.71 and 94,196.91

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Solution

The fourth proportional to 271,689.90, 407,721.71 and 94,196.91 is: 141,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,689.90 : 407,721.71 = 94,196.91 : x
  2. Step 2: Convert to fraction form
    271,689.90/407,721.71 = 94,196.91/x
  3. Step 3: Cross multiply
    271,689.90x = 407,721.71 × 94,196.91
  4. Step 4: Simplify right side
    271,689.90x = 38,406,124,750.93
  5. Step 5: Solve for x
    x = 38,406,124,750.93/271,689.90
  6. Step 6: Final answer
    x = 141,360.15

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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.