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Finding the Fourth Proportional to 190,290.57, 285,448.15 and 63,925.71

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Solution

The fourth proportional to 190,290.57, 285,448.15 and 63,925.71 is: 95,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,290.57 : 285,448.15 = 63,925.71 : x
  2. Step 2: Convert to fraction form
    190,290.57/285,448.15 = 63,925.71/x
  3. Step 3: Cross multiply
    190,290.57x = 285,448.15 × 63,925.71
  4. Step 4: Simplify right side
    190,290.57x = 18,247,474,666.41
  5. Step 5: Solve for x
    x = 18,247,474,666.41/190,290.57
  6. Step 6: Final answer
    x = 95,892.69

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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.