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Finding the Fourth Proportional to 108,410.77, 162,611.14 and 28,446.76

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Solution

The fourth proportional to 108,410.77, 162,611.14 and 28,446.76 is: 42,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,410.77 : 162,611.14 = 28,446.76 : x
  2. Step 2: Convert to fraction form
    108,410.77/162,611.14 = 28,446.76/x
  3. Step 3: Cross multiply
    108,410.77x = 162,611.14 × 28,446.76
  4. Step 4: Simplify right side
    108,410.77x = 4,625,759,595.26
  5. Step 5: Solve for x
    x = 4,625,759,595.26/108,410.77
  6. Step 6: Final answer
    x = 42,668.82

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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.