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Finding the Fourth Proportional to 271,689.15, 407,720.58 and 94,196.16

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Solution

The fourth proportional to 271,689.15, 407,720.58 and 94,196.16 is: 141,359.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,689.15 : 407,720.58 = 94,196.16 : x
  2. Step 2: Convert to fraction form
    271,689.15/407,720.58 = 94,196.16/x
  3. Step 3: Cross multiply
    271,689.15x = 407,720.58 × 94,196.16
  4. Step 4: Simplify right side
    271,689.15x = 38,405,712,988.97
  5. Step 5: Solve for x
    x = 38,405,712,988.97/271,689.15
  6. Step 6: Final answer
    x = 141,359.02

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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.