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Finding the Fourth Proportional to 235,678.01, 353,517.74 and 58,185.03

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Solution

The fourth proportional to 235,678.01, 353,517.74 and 58,185.03 is: 87,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,678.01 : 353,517.74 = 58,185.03 : x
  2. Step 2: Convert to fraction form
    235,678.01/353,517.74 = 58,185.03/x
  3. Step 3: Cross multiply
    235,678.01x = 353,517.74 × 58,185.03
  4. Step 4: Simplify right side
    235,678.01x = 20,569,440,016.51
  5. Step 5: Solve for x
    x = 20,569,440,016.51/235,678.01
  6. Step 6: Final answer
    x = 87,277.72

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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.