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Finding the Fourth Proportional to 229,804.60, 344,739.20 and 61,330.42

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Solution

The fourth proportional to 229,804.60, 344,739.20 and 61,330.42 is: 92,004.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,804.60 : 344,739.20 = 61,330.42 : x
  2. Step 2: Convert to fraction form
    229,804.60/344,739.20 = 61,330.42/x
  3. Step 3: Cross multiply
    229,804.60x = 344,739.20 × 61,330.42
  4. Step 4: Simplify right side
    229,804.60x = 21,142,999,926.46
  5. Step 5: Solve for x
    x = 21,142,999,926.46/229,804.60
  6. Step 6: Final answer
    x = 92,004.25

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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.