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Finding the Fourth Proportional to 108,590.67, 162,932.49 and 56,037.06

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Solution

The fourth proportional to 108,590.67, 162,932.49 and 56,037.06 is: 84,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,590.67 : 162,932.49 = 56,037.06 : x
  2. Step 2: Convert to fraction form
    108,590.67/162,932.49 = 56,037.06/x
  3. Step 3: Cross multiply
    108,590.67x = 162,932.49 × 56,037.06
  4. Step 4: Simplify right side
    108,590.67x = 9,130,257,718.08
  5. Step 5: Solve for x
    x = 9,130,257,718.08/108,590.67
  6. Step 6: Final answer
    x = 84,079.58

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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.