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Finding the Fourth Proportional to 108,570.92, 162,800.82 and 45,373.77

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Solution

The fourth proportional to 108,570.92, 162,800.82 and 45,373.77 is: 68,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,570.92 : 162,800.82 = 45,373.77 : x
  2. Step 2: Convert to fraction form
    108,570.92/162,800.82 = 45,373.77/x
  3. Step 3: Cross multiply
    108,570.92x = 162,800.82 × 45,373.77
  4. Step 4: Simplify right side
    108,570.92x = 7,386,886,962.49
  5. Step 5: Solve for x
    x = 7,386,886,962.49/108,570.92
  6. Step 6: Final answer
    x = 68,037.44

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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.