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Finding the Fourth Proportional to 268,494.85, 370,430.69 and 166,483.58

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Solution

The fourth proportional to 268,494.85, 370,430.69 and 166,483.58 is: 229,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,494.85 : 370,430.69 = 166,483.58 : x
  2. Step 2: Convert to fraction form
    268,494.85/370,430.69 = 166,483.58/x
  3. Step 3: Cross multiply
    268,494.85x = 370,430.69 × 166,483.58
  4. Step 4: Simplify right side
    268,494.85x = 61,670,627,506.73
  5. Step 5: Solve for x
    x = 61,670,627,506.73/268,494.85
  6. Step 6: Final answer
    x = 229,690.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.