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Finding the Fourth Proportional to 108,726.54, 163,024.27 and 48,744.16

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Solution

The fourth proportional to 108,726.54, 163,024.27 and 48,744.16 is: 73,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,726.54 : 163,024.27 = 48,744.16 : x
  2. Step 2: Convert to fraction form
    108,726.54/163,024.27 = 48,744.16/x
  3. Step 3: Cross multiply
    108,726.54x = 163,024.27 × 48,744.16
  4. Step 4: Simplify right side
    108,726.54x = 7,946,481,100.76
  5. Step 5: Solve for x
    x = 7,946,481,100.76/108,726.54
  6. Step 6: Final answer
    x = 73,086.86

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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.