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Finding the Fourth Proportional to 230,566.66, 345,841.35 and 72,804.58

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Solution

The fourth proportional to 230,566.66, 345,841.35 and 72,804.58 is: 109,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,566.66 : 345,841.35 = 72,804.58 : x
  2. Step 2: Convert to fraction form
    230,566.66/345,841.35 = 72,804.58/x
  3. Step 3: Cross multiply
    230,566.66x = 345,841.35 × 72,804.58
  4. Step 4: Simplify right side
    230,566.66x = 25,178,834,233.38
  5. Step 5: Solve for x
    x = 25,178,834,233.38/230,566.66
  6. Step 6: Final answer
    x = 109,204.14

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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.