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Finding the Fourth Proportional to 231,202.88, 346,804.32 and 64,990.88

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Solution

The fourth proportional to 231,202.88, 346,804.32 and 64,990.88 is: 97,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,202.88 : 346,804.32 = 64,990.88 : x
  2. Step 2: Convert to fraction form
    231,202.88/346,804.32 = 64,990.88/x
  3. Step 3: Cross multiply
    231,202.88x = 346,804.32 × 64,990.88
  4. Step 4: Simplify right side
    231,202.88x = 22,539,116,210.58
  5. Step 5: Solve for x
    x = 22,539,116,210.58/231,202.88
  6. Step 6: Final answer
    x = 97,486.31

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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.