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Finding the Fourth Proportional to 161,141.69, 240,529.70 and 149,266.28

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Solution

The fourth proportional to 161,141.69, 240,529.70 and 149,266.28 is: 222,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,141.69 : 240,529.70 = 149,266.28 : x
  2. Step 2: Convert to fraction form
    161,141.69/240,529.70 = 149,266.28/x
  3. Step 3: Cross multiply
    161,141.69x = 240,529.70 × 149,266.28
  4. Step 4: Simplify right side
    161,141.69x = 35,902,973,548.52
  5. Step 5: Solve for x
    x = 35,902,973,548.52/161,141.69
  6. Step 6: Final answer
    x = 222,803.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.