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Finding the Fourth Proportional to 169,172.88, 233,346.54 and 108,820.20

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Solution

The fourth proportional to 169,172.88, 233,346.54 and 108,820.20 is: 150,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,172.88 : 233,346.54 = 108,820.20 : x
  2. Step 2: Convert to fraction form
    169,172.88/233,346.54 = 108,820.20/x
  3. Step 3: Cross multiply
    169,172.88x = 233,346.54 × 108,820.20
  4. Step 4: Simplify right side
    169,172.88x = 25,392,817,152.11
  5. Step 5: Solve for x
    x = 25,392,817,152.11/169,172.88
  6. Step 6: Final answer
    x = 150,099.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.