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Finding the Fourth Proportional to 143,448.84, 215,170.83 and 49,952.16

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Solution

The fourth proportional to 143,448.84, 215,170.83 and 49,952.16 is: 74,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,448.84 : 215,170.83 = 49,952.16 : x
  2. Step 2: Convert to fraction form
    143,448.84/215,170.83 = 49,952.16/x
  3. Step 3: Cross multiply
    143,448.84x = 215,170.83 × 49,952.16
  4. Step 4: Simplify right side
    143,448.84x = 10,748,247,727.49
  5. Step 5: Solve for x
    x = 10,748,247,727.49/143,448.84
  6. Step 6: Final answer
    x = 74,927.39

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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.