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Finding the Fourth Proportional to 190,322.76, 285,488.76 and 63,964.84

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Solution

The fourth proportional to 190,322.76, 285,488.76 and 63,964.84 is: 95,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,322.76 : 285,488.76 = 63,964.84 : x
  2. Step 2: Convert to fraction form
    190,322.76/285,488.76 = 63,964.84/x
  3. Step 3: Cross multiply
    190,322.76x = 285,488.76 × 63,964.84
  4. Step 4: Simplify right side
    190,322.76x = 18,261,242,855.20
  5. Step 5: Solve for x
    x = 18,261,242,855.20/190,322.76
  6. Step 6: Final answer
    x = 95,948.81

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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.