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Finding the Fourth Proportional to 173,727.99, 260,150.94 and 145,574.01

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Solution

The fourth proportional to 173,727.99, 260,150.94 and 145,574.01 is: 217,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,727.99 : 260,150.94 = 145,574.01 : x
  2. Step 2: Convert to fraction form
    173,727.99/260,150.94 = 145,574.01/x
  3. Step 3: Cross multiply
    173,727.99x = 260,150.94 × 145,574.01
  4. Step 4: Simplify right side
    173,727.99x = 37,871,215,541.07
  5. Step 5: Solve for x
    x = 37,871,215,541.07/173,727.99
  6. Step 6: Final answer
    x = 217,991.44

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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.