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Finding the Fourth Proportional to 150,533.56, 207,719.40 and 86,892.40

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Solution

The fourth proportional to 150,533.56, 207,719.40 and 86,892.40 is: 119,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,533.56 : 207,719.40 = 86,892.40 : x
  2. Step 2: Convert to fraction form
    150,533.56/207,719.40 = 86,892.40/x
  3. Step 3: Cross multiply
    150,533.56x = 207,719.40 × 86,892.40
  4. Step 4: Simplify right side
    150,533.56x = 18,049,237,192.56
  5. Step 5: Solve for x
    x = 18,049,237,192.56/150,533.56
  6. Step 6: Final answer
    x = 119,901.75

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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.