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Finding the Fourth Proportional to 108,740.53, 163,043.74 and 37,646.61

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Solution

The fourth proportional to 108,740.53, 163,043.74 and 37,646.61 is: 56,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,740.53 : 163,043.74 = 37,646.61 : x
  2. Step 2: Convert to fraction form
    108,740.53/163,043.74 = 37,646.61/x
  3. Step 3: Cross multiply
    108,740.53x = 163,043.74 × 37,646.61
  4. Step 4: Simplify right side
    108,740.53x = 6,138,044,092.72
  5. Step 5: Solve for x
    x = 6,138,044,092.72/108,740.53
  6. Step 6: Final answer
    x = 56,446.70

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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.