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Finding the Fourth Proportional to 169,662.81, 234,244.22 and 105,200.49

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Solution

The fourth proportional to 169,662.81, 234,244.22 and 105,200.49 is: 145,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,662.81 : 234,244.22 = 105,200.49 : x
  2. Step 2: Convert to fraction form
    169,662.81/234,244.22 = 105,200.49/x
  3. Step 3: Cross multiply
    169,662.81x = 234,244.22 × 105,200.49
  4. Step 4: Simplify right side
    169,662.81x = 24,642,606,197.67
  5. Step 5: Solve for x
    x = 24,642,606,197.67/169,662.81
  6. Step 6: Final answer
    x = 145,244.60

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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.