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Finding the Fourth Proportional to 143,723.35, 200,950.25 and 143,723.35

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Solution

The fourth proportional to 143,723.35, 200,950.25 and 143,723.35 is: 200,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,723.35 : 200,950.25 = 143,723.35 : x
  2. Step 2: Convert to fraction form
    143,723.35/200,950.25 = 143,723.35/x
  3. Step 3: Cross multiply
    143,723.35x = 200,950.25 × 143,723.35
  4. Step 4: Simplify right side
    143,723.35x = 28,881,243,113.34
  5. Step 5: Solve for x
    x = 28,881,243,113.34/143,723.35
  6. Step 6: Final answer
    x = 200,950.25

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.