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Finding the Fourth Proportional to 108,671.68, 163,006.20 and 29,785.84

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Solution

The fourth proportional to 108,671.68, 163,006.20 and 29,785.84 is: 44,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,671.68 : 163,006.20 = 29,785.84 : x
  2. Step 2: Convert to fraction form
    108,671.68/163,006.20 = 29,785.84/x
  3. Step 3: Cross multiply
    108,671.68x = 163,006.20 × 29,785.84
  4. Step 4: Simplify right side
    108,671.68x = 4,855,276,592.21
  5. Step 5: Solve for x
    x = 4,855,276,592.21/108,671.68
  6. Step 6: Final answer
    x = 44,678.40

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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.