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Finding the Fourth Proportional to 229,050.36, 343,599.12 and 79,290.36

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Solution

The fourth proportional to 229,050.36, 343,599.12 and 79,290.36 is: 118,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,050.36 : 343,599.12 = 79,290.36 : x
  2. Step 2: Convert to fraction form
    229,050.36/343,599.12 = 79,290.36/x
  3. Step 3: Cross multiply
    229,050.36x = 343,599.12 × 79,290.36
  4. Step 4: Simplify right side
    229,050.36x = 27,244,097,920.48
  5. Step 5: Solve for x
    x = 27,244,097,920.48/229,050.36
  6. Step 6: Final answer
    x = 118,943.70

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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.