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Finding the Fourth Proportional to 150,203.52, 207,165.12 and 104,866.56

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Solution

The fourth proportional to 150,203.52, 207,165.12 and 104,866.56 is: 144,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,203.52 : 207,165.12 = 104,866.56 : x
  2. Step 2: Convert to fraction form
    150,203.52/207,165.12 = 104,866.56/x
  3. Step 3: Cross multiply
    150,203.52x = 207,165.12 × 104,866.56
  4. Step 4: Simplify right side
    150,203.52x = 21,724,693,486.39
  5. Step 5: Solve for x
    x = 21,724,693,486.39/150,203.52
  6. Step 6: Final answer
    x = 144,635.05

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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.