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Finding the Fourth Proportional to 150,679.06, 225,478.95 and 130,485.76

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Solution

The fourth proportional to 150,679.06, 225,478.95 and 130,485.76 is: 195,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,679.06 : 225,478.95 = 130,485.76 : x
  2. Step 2: Convert to fraction form
    150,679.06/225,478.95 = 130,485.76/x
  3. Step 3: Cross multiply
    150,679.06x = 225,478.95 × 130,485.76
  4. Step 4: Simplify right side
    150,679.06x = 29,421,792,154.75
  5. Step 5: Solve for x
    x = 29,421,792,154.75/150,679.06
  6. Step 6: Final answer
    x = 195,261.32

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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.