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Finding the Fourth Proportional to 150,167.94, 207,278.01 and 86,548.20

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Solution

The fourth proportional to 150,167.94, 207,278.01 and 86,548.20 is: 119,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,167.94 : 207,278.01 = 86,548.20 : x
  2. Step 2: Convert to fraction form
    150,167.94/207,278.01 = 86,548.20/x
  3. Step 3: Cross multiply
    150,167.94x = 207,278.01 × 86,548.20
  4. Step 4: Simplify right side
    150,167.94x = 17,939,538,665.08
  5. Step 5: Solve for x
    x = 17,939,538,665.08/150,167.94
  6. Step 6: Final answer
    x = 119,463.17

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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.