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Finding the Fourth Proportional to 143,950.76, 215,833.64 and 59,769.02

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Solution

The fourth proportional to 143,950.76, 215,833.64 and 59,769.02 is: 89,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,950.76 : 215,833.64 = 59,769.02 : x
  2. Step 2: Convert to fraction form
    143,950.76/215,833.64 = 59,769.02/x
  3. Step 3: Cross multiply
    143,950.76x = 215,833.64 × 59,769.02
  4. Step 4: Simplify right side
    143,950.76x = 12,900,163,767.82
  5. Step 5: Solve for x
    x = 12,900,163,767.82/143,950.76
  6. Step 6: Final answer
    x = 89,615.12

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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.