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Finding the Fourth Proportional to 108,654.20, 163,054.20 and 64,233.80

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Solution

The fourth proportional to 108,654.20, 163,054.20 and 64,233.80 is: 96,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,654.20 : 163,054.20 = 64,233.80 : x
  2. Step 2: Convert to fraction form
    108,654.20/163,054.20 = 64,233.80/x
  3. Step 3: Cross multiply
    108,654.20x = 163,054.20 × 64,233.80
  4. Step 4: Simplify right side
    108,654.20x = 10,473,590,871.96
  5. Step 5: Solve for x
    x = 10,473,590,871.96/108,654.20
  6. Step 6: Final answer
    x = 96,393.80

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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.