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Finding the Fourth Proportional to 108,900.92, 163,368.68 and 37,845.28

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Solution

The fourth proportional to 108,900.92, 163,368.68 and 37,845.28 is: 56,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,900.92 : 163,368.68 = 37,845.28 : x
  2. Step 2: Convert to fraction form
    108,900.92/163,368.68 = 37,845.28/x
  3. Step 3: Cross multiply
    108,900.92x = 163,368.68 × 37,845.28
  4. Step 4: Simplify right side
    108,900.92x = 6,182,733,437.83
  5. Step 5: Solve for x
    x = 6,182,733,437.83/108,900.92
  6. Step 6: Final answer
    x = 56,773.93

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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.