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Finding the Fourth Proportional to 192,071.53, 265,051.76 and 106,028.66

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Solution

The fourth proportional to 192,071.53, 265,051.76 and 106,028.66 is: 146,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,071.53 : 265,051.76 = 106,028.66 : x
  2. Step 2: Convert to fraction form
    192,071.53/265,051.76 = 106,028.66/x
  3. Step 3: Cross multiply
    192,071.53x = 265,051.76 × 106,028.66
  4. Step 4: Simplify right side
    192,071.53x = 28,103,082,976.56
  5. Step 5: Solve for x
    x = 28,103,082,976.56/192,071.53
  6. Step 6: Final answer
    x = 146,315.72

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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.