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Finding the Fourth Proportional to 150,365.33, 225,477.36 and 87,203.40

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Solution

The fourth proportional to 150,365.33, 225,477.36 and 87,203.40 is: 130,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,365.33 : 225,477.36 = 87,203.40 : x
  2. Step 2: Convert to fraction form
    150,365.33/225,477.36 = 87,203.40/x
  3. Step 3: Cross multiply
    150,365.33x = 225,477.36 × 87,203.40
  4. Step 4: Simplify right side
    150,365.33x = 19,662,392,415.02
  5. Step 5: Solve for x
    x = 19,662,392,415.02/150,365.33
  6. Step 6: Final answer
    x = 130,764.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.