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Finding the Fourth Proportional to 192,178.30, 265,185.93 and 111,590.11

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Solution

The fourth proportional to 192,178.30, 265,185.93 and 111,590.11 is: 153,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,178.30 : 265,185.93 = 111,590.11 : x
  2. Step 2: Convert to fraction form
    192,178.30/265,185.93 = 111,590.11/x
  3. Step 3: Cross multiply
    192,178.30x = 265,185.93 × 111,590.11
  4. Step 4: Simplify right side
    192,178.30x = 29,592,127,099.15
  5. Step 5: Solve for x
    x = 29,592,127,099.15/192,178.30
  6. Step 6: Final answer
    x = 153,982.67

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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.