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Finding the Fourth Proportional to 103,260.70, 154,828.72 and 46,324.23

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Solution

The fourth proportional to 103,260.70, 154,828.72 and 46,324.23 is: 69,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,260.70 : 154,828.72 = 46,324.23 : x
  2. Step 2: Convert to fraction form
    103,260.70/154,828.72 = 46,324.23/x
  3. Step 3: Cross multiply
    103,260.70x = 154,828.72 × 46,324.23
  4. Step 4: Simplify right side
    103,260.70x = 7,172,321,235.89
  5. Step 5: Solve for x
    x = 7,172,321,235.89/103,260.70
  6. Step 6: Final answer
    x = 69,458.38

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1.5x scale

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.