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Finding the Fourth Proportional to 271,572.56, 407,261.60 and 94,031.88

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Solution

The fourth proportional to 271,572.56, 407,261.60 and 94,031.88 is: 141,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,572.56 : 407,261.60 = 94,031.88 : x
  2. Step 2: Convert to fraction form
    271,572.56/407,261.60 = 94,031.88/x
  3. Step 3: Cross multiply
    271,572.56x = 407,261.60 × 94,031.88
  4. Step 4: Simplify right side
    271,572.56x = 38,295,573,899.81
  5. Step 5: Solve for x
    x = 38,295,573,899.81/271,572.56
  6. Step 6: Final answer
    x = 141,014.15

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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.