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Finding the Fourth Proportional to 229,064.96, 343,515.13 and 79,264.58

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Solution

The fourth proportional to 229,064.96, 343,515.13 and 79,264.58 is: 118,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,064.96 : 343,515.13 = 79,264.58 : x
  2. Step 2: Convert to fraction form
    229,064.96/343,515.13 = 79,264.58/x
  3. Step 3: Cross multiply
    229,064.96x = 343,515.13 × 79,264.58
  4. Step 4: Simplify right side
    229,064.96x = 27,228,580,587.36
  5. Step 5: Solve for x
    x = 27,228,580,587.36/229,064.96
  6. Step 6: Final answer
    x = 118,868.38

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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.