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Finding the Fourth Proportional to 216,375.31, 298,582.29 and 119,578.01

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Solution

The fourth proportional to 216,375.31, 298,582.29 and 119,578.01 is: 165,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,375.31 : 298,582.29 = 119,578.01 : x
  2. Step 2: Convert to fraction form
    216,375.31/298,582.29 = 119,578.01/x
  3. Step 3: Cross multiply
    216,375.31x = 298,582.29 × 119,578.01
  4. Step 4: Simplify right side
    216,375.31x = 35,703,874,846.45
  5. Step 5: Solve for x
    x = 35,703,874,846.45/216,375.31
  6. Step 6: Final answer
    x = 165,009.01

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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.