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Finding the Fourth Proportional to 133,685.66, 200,534.51 and 43,733.49

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Solution

The fourth proportional to 133,685.66, 200,534.51 and 43,733.49 is: 65,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,685.66 : 200,534.51 = 43,733.49 : x
  2. Step 2: Convert to fraction form
    133,685.66/200,534.51 = 43,733.49/x
  3. Step 3: Cross multiply
    133,685.66x = 200,534.51 × 43,733.49
  4. Step 4: Simplify right side
    133,685.66x = 8,770,074,097.07
  5. Step 5: Solve for x
    x = 8,770,074,097.07/133,685.66
  6. Step 6: Final answer
    x = 65,602.21

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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.