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Finding the Fourth Proportional to 180,833.43, 271,264.93 and 90,829.86

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Solution

The fourth proportional to 180,833.43, 271,264.93 and 90,829.86 is: 136,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,833.43 : 271,264.93 = 90,829.86 : x
  2. Step 2: Convert to fraction form
    180,833.43/271,264.93 = 90,829.86/x
  3. Step 3: Cross multiply
    180,833.43x = 271,264.93 × 90,829.86
  4. Step 4: Simplify right side
    180,833.43x = 24,638,955,841.88
  5. Step 5: Solve for x
    x = 24,638,955,841.88/180,833.43
  6. Step 6: Final answer
    x = 136,252.22

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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.