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Finding the Fourth Proportional to 143,723.60, 200,950.60 and 143,723.60

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Solution

The fourth proportional to 143,723.60, 200,950.60 and 143,723.60 is: 200,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,723.60 : 200,950.60 = 143,723.60 : x
  2. Step 2: Convert to fraction form
    143,723.60/200,950.60 = 143,723.60/x
  3. Step 3: Cross multiply
    143,723.60x = 200,950.60 × 143,723.60
  4. Step 4: Simplify right side
    143,723.60x = 28,881,343,654.16
  5. Step 5: Solve for x
    x = 28,881,343,654.16/143,723.60
  6. Step 6: Final answer
    x = 200,950.60

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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.