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Finding the Fourth Proportional to 146,368.10, 218,950.72 and 116,843.60

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Solution

The fourth proportional to 146,368.10, 218,950.72 and 116,843.60 is: 174,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,368.10 : 218,950.72 = 116,843.60 : x
  2. Step 2: Convert to fraction form
    146,368.10/218,950.72 = 116,843.60/x
  3. Step 3: Cross multiply
    146,368.10x = 218,950.72 × 116,843.60
  4. Step 4: Simplify right side
    146,368.10x = 25,582,990,347.39
  5. Step 5: Solve for x
    x = 25,582,990,347.39/146,368.10
  6. Step 6: Final answer
    x = 174,785.29

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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.