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Finding the Fourth Proportional to 68,365.94, 102,504.41 and 28,373.91

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Solution

The fourth proportional to 68,365.94, 102,504.41 and 28,373.91 is: 42,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,365.94 : 102,504.41 = 28,373.91 : x
  2. Step 2: Convert to fraction form
    68,365.94/102,504.41 = 28,373.91/x
  3. Step 3: Cross multiply
    68,365.94x = 102,504.41 × 28,373.91
  4. Step 4: Simplify right side
    68,365.94x = 2,908,450,762.07
  5. Step 5: Solve for x
    x = 2,908,450,762.07/68,365.94
  6. Step 6: Final answer
    x = 42,542.40

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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.