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Finding the Fourth Proportional to 244,628.80, 366,950.88 and 86,854.72

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Solution

The fourth proportional to 244,628.80, 366,950.88 and 86,854.72 is: 130,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,628.80 : 366,950.88 = 86,854.72 : x
  2. Step 2: Convert to fraction form
    244,628.80/366,950.88 = 86,854.72/x
  3. Step 3: Cross multiply
    244,628.80x = 366,950.88 × 86,854.72
  4. Step 4: Simplify right side
    244,628.80x = 31,871,415,936.15
  5. Step 5: Solve for x
    x = 31,871,415,936.15/244,628.80
  6. Step 6: Final answer
    x = 130,284.81

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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.