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Finding the Fourth Proportional to 301,133.50, 451,726.41 and 79,517.50

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Solution

The fourth proportional to 301,133.50, 451,726.41 and 79,517.50 is: 119,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,133.50 : 451,726.41 = 79,517.50 : x
  2. Step 2: Convert to fraction form
    301,133.50/451,726.41 = 79,517.50/x
  3. Step 3: Cross multiply
    301,133.50x = 451,726.41 × 79,517.50
  4. Step 4: Simplify right side
    301,133.50x = 35,920,154,807.18
  5. Step 5: Solve for x
    x = 35,920,154,807.18/301,133.50
  6. Step 6: Final answer
    x = 119,283.16

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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.