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Finding the Fourth Proportional to 190,697.51, 285,935.49 and 72,304.27

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Solution

The fourth proportional to 190,697.51, 285,935.49 and 72,304.27 is: 108,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,697.51 : 285,935.49 = 72,304.27 : x
  2. Step 2: Convert to fraction form
    190,697.51/285,935.49 = 72,304.27/x
  3. Step 3: Cross multiply
    190,697.51x = 285,935.49 × 72,304.27
  4. Step 4: Simplify right side
    190,697.51x = 20,674,356,871.54
  5. Step 5: Solve for x
    x = 20,674,356,871.54/190,697.51
  6. Step 6: Final answer
    x = 108,414.40

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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.