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Finding the Fourth Proportional to 235,181.65, 324,597.91 and 139,669.89

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Solution

The fourth proportional to 235,181.65, 324,597.91 and 139,669.89 is: 192,772.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,181.65 : 324,597.91 = 139,669.89 : x
  2. Step 2: Convert to fraction form
    235,181.65/324,597.91 = 139,669.89/x
  3. Step 3: Cross multiply
    235,181.65x = 324,597.91 × 139,669.89
  4. Step 4: Simplify right side
    235,181.65x = 45,336,554,383.93
  5. Step 5: Solve for x
    x = 45,336,554,383.93/235,181.65
  6. Step 6: Final answer
    x = 192,772.50

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1.5x scale

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.