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Finding the Fourth Proportional to 190,601.01, 285,715.59 and 90,734.37

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Solution

The fourth proportional to 190,601.01, 285,715.59 and 90,734.37 is: 136,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,601.01 : 285,715.59 = 90,734.37 : x
  2. Step 2: Convert to fraction form
    190,601.01/285,715.59 = 90,734.37/x
  3. Step 3: Cross multiply
    190,601.01x = 285,715.59 × 90,734.37
  4. Step 4: Simplify right side
    190,601.01x = 25,924,224,057.83
  5. Step 5: Solve for x
    x = 25,924,224,057.83/190,601.01
  6. Step 6: Final answer
    x = 136,013.05

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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.