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Finding the Fourth Proportional to 108,602.10, 162,881.26 and 29,724.30

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Solution

The fourth proportional to 108,602.10, 162,881.26 and 29,724.30 is: 44,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,602.10 : 162,881.26 = 29,724.30 : x
  2. Step 2: Convert to fraction form
    108,602.10/162,881.26 = 29,724.30/x
  3. Step 3: Cross multiply
    108,602.10x = 162,881.26 × 29,724.30
  4. Step 4: Simplify right side
    108,602.10x = 4,841,531,436.62
  5. Step 5: Solve for x
    x = 4,841,531,436.62/108,602.10
  6. Step 6: Final answer
    x = 44,580.46

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1.5x scale

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.