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Finding the Fourth Proportional to 84,956.65, 117,243.18 and 46,719.11

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Solution

The fourth proportional to 84,956.65, 117,243.18 and 46,719.11 is: 64,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,956.65 : 117,243.18 = 46,719.11 : x
  2. Step 2: Convert to fraction form
    84,956.65/117,243.18 = 46,719.11/x
  3. Step 3: Cross multiply
    84,956.65x = 117,243.18 × 46,719.11
  4. Step 4: Simplify right side
    84,956.65x = 5,477,497,316.28
  5. Step 5: Solve for x
    x = 5,477,497,316.28/84,956.65
  6. Step 6: Final answer
    x = 64,474.03

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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.