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Finding the Fourth Proportional to 156,924.78, 216,548.96 and 88,937.84

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Solution

The fourth proportional to 156,924.78, 216,548.96 and 88,937.84 is: 122,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,924.78 : 216,548.96 = 88,937.84 : x
  2. Step 2: Convert to fraction form
    156,924.78/216,548.96 = 88,937.84/x
  3. Step 3: Cross multiply
    156,924.78x = 216,548.96 × 88,937.84
  4. Step 4: Simplify right side
    156,924.78x = 19,259,395,229.21
  5. Step 5: Solve for x
    x = 19,259,395,229.21/156,924.78
  6. Step 6: Final answer
    x = 122,730.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.