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Finding the Fourth Proportional to 190,191.06, 285,264.59 and 49,960.62

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Solution

The fourth proportional to 190,191.06, 285,264.59 and 49,960.62 is: 74,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,191.06 : 285,264.59 = 49,960.62 : x
  2. Step 2: Convert to fraction form
    190,191.06/285,264.59 = 49,960.62/x
  3. Step 3: Cross multiply
    190,191.06x = 285,264.59 × 49,960.62
  4. Step 4: Simplify right side
    190,191.06x = 14,251,995,530.64
  5. Step 5: Solve for x
    x = 14,251,995,530.64/190,191.06
  6. Step 6: Final answer
    x = 74,935.15

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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.