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Finding the Fourth Proportional to 108,998.60, 163,539.41 and 37,929.13

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Solution

The fourth proportional to 108,998.60, 163,539.41 and 37,929.13 is: 56,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,998.60 : 163,539.41 = 37,929.13 : x
  2. Step 2: Convert to fraction form
    108,998.60/163,539.41 = 37,929.13/x
  3. Step 3: Cross multiply
    108,998.60x = 163,539.41 × 37,929.13
  4. Step 4: Simplify right side
    108,998.60x = 6,202,906,943.52
  5. Step 5: Solve for x
    x = 6,202,906,943.52/108,998.60
  6. Step 6: Final answer
    x = 56,908.14

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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.