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Finding the Fourth Proportional to 192,343.84, 265,470.68 and 111,775.77

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Solution

The fourth proportional to 192,343.84, 265,470.68 and 111,775.77 is: 154,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,343.84 : 265,470.68 = 111,775.77 : x
  2. Step 2: Convert to fraction form
    192,343.84/265,470.68 = 111,775.77/x
  3. Step 3: Cross multiply
    192,343.84x = 265,470.68 × 111,775.77
  4. Step 4: Simplify right side
    192,343.84x = 29,673,189,948.86
  5. Step 5: Solve for x
    x = 29,673,189,948.86/192,343.84
  6. Step 6: Final answer
    x = 154,271.59

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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.