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Finding the Fourth Proportional to 117,245.84, 175,751.78 and 46,123.97

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Solution

The fourth proportional to 117,245.84, 175,751.78 and 46,123.97 is: 69,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,245.84 : 175,751.78 = 46,123.97 : x
  2. Step 2: Convert to fraction form
    117,245.84/175,751.78 = 46,123.97/x
  3. Step 3: Cross multiply
    117,245.84x = 175,751.78 × 46,123.97
  4. Step 4: Simplify right side
    117,245.84x = 8,106,368,718.79
  5. Step 5: Solve for x
    x = 8,106,368,718.79/117,245.84
  6. Step 6: Final answer
    x = 69,139.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.