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Finding the Fourth Proportional to 271,672.54, 407,569.28 and 89,311.58

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Solution

The fourth proportional to 271,672.54, 407,569.28 and 89,311.58 is: 133,987.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,672.54 : 407,569.28 = 89,311.58 : x
  2. Step 2: Convert to fraction form
    271,672.54/407,569.28 = 89,311.58/x
  3. Step 3: Cross multiply
    271,672.54x = 407,569.28 × 89,311.58
  4. Step 4: Simplify right side
    271,672.54x = 36,400,657,598.46
  5. Step 5: Solve for x
    x = 36,400,657,598.46/271,672.54
  6. Step 6: Final answer
    x = 133,987.26

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1.5x scale

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.