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Finding the Fourth Proportional to 229,053.51, 343,602.12 and 71,239.59

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Solution

The fourth proportional to 229,053.51, 343,602.12 and 71,239.59 is: 106,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,053.51 : 343,602.12 = 71,239.59 : x
  2. Step 2: Convert to fraction form
    229,053.51/343,602.12 = 71,239.59/x
  3. Step 3: Cross multiply
    229,053.51x = 343,602.12 × 71,239.59
  4. Step 4: Simplify right side
    229,053.51x = 24,478,072,433.92
  5. Step 5: Solve for x
    x = 24,478,072,433.92/229,053.51
  6. Step 6: Final answer
    x = 106,866.18

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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.