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Finding the Fourth Proportional to 108,602.34, 162,881.64 and 29,724.54

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Solution

The fourth proportional to 108,602.34, 162,881.64 and 29,724.54 is: 44,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,602.34 : 162,881.64 = 29,724.54 : x
  2. Step 2: Convert to fraction form
    108,602.34/162,881.64 = 29,724.54/x
  3. Step 3: Cross multiply
    108,602.34x = 162,881.64 × 29,724.54
  4. Step 4: Simplify right side
    108,602.34x = 4,841,581,823.45
  5. Step 5: Solve for x
    x = 4,841,581,823.45/108,602.34
  6. Step 6: Final answer
    x = 44,580.82

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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.