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Finding the Fourth Proportional to 262,173.11, 393,653.52 and 149,980.01

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Solution

The fourth proportional to 262,173.11, 393,653.52 and 149,980.01 is: 225,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,173.11 : 393,653.52 = 149,980.01 : x
  2. Step 2: Convert to fraction form
    262,173.11/393,653.52 = 149,980.01/x
  3. Step 3: Cross multiply
    262,173.11x = 393,653.52 × 149,980.01
  4. Step 4: Simplify right side
    262,173.11x = 59,040,156,897.87
  5. Step 5: Solve for x
    x = 59,040,156,897.87/262,173.11
  6. Step 6: Final answer
    x = 225,195.32

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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.