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Finding the Fourth Proportional to 108,705.48, 163,058.70 and 29,820.60

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Solution

The fourth proportional to 108,705.48, 163,058.70 and 29,820.60 is: 44,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,705.48 : 163,058.70 = 29,820.60 : x
  2. Step 2: Convert to fraction form
    108,705.48/163,058.70 = 29,820.60/x
  3. Step 3: Cross multiply
    108,705.48x = 163,058.70 × 29,820.60
  4. Step 4: Simplify right side
    108,705.48x = 4,862,508,269.22
  5. Step 5: Solve for x
    x = 4,862,508,269.22/108,705.48
  6. Step 6: Final answer
    x = 44,731.03

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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.