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Finding the Fourth Proportional to 171,119, 255,425.14 and 150,918.60

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Solution

The fourth proportional to 171,119, 255,425.14 and 150,918.60 is: 225,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,119 : 255,425.14 = 150,918.60 : x
  2. Step 2: Convert to fraction form
    171,119/255,425.14 = 150,918.60/x
  3. Step 3: Cross multiply
    171,119x = 255,425.14 × 150,918.60
  4. Step 4: Simplify right side
    171,119x = 38,548,404,533.60
  5. Step 5: Solve for x
    x = 38,548,404,533.60/171,119
  6. Step 6: Final answer
    x = 225,272.50

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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.