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Finding the Fourth Proportional to 183,458.36, 253,183.59 and 102,890.65

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Solution

The fourth proportional to 183,458.36, 253,183.59 and 102,890.65 is: 141,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,458.36 : 253,183.59 = 102,890.65 : x
  2. Step 2: Convert to fraction form
    183,458.36/253,183.59 = 102,890.65/x
  3. Step 3: Cross multiply
    183,458.36x = 253,183.59 × 102,890.65
  4. Step 4: Simplify right side
    183,458.36x = 26,050,224,171.53
  5. Step 5: Solve for x
    x = 26,050,224,171.53/183,458.36
  6. Step 6: Final answer
    x = 141,995.29

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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.