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Finding the Fourth Proportional to 216,995.54, 300,025.26 and 190,060.76

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Solution

The fourth proportional to 216,995.54, 300,025.26 and 190,060.76 is: 262,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,995.54 : 300,025.26 = 190,060.76 : x
  2. Step 2: Convert to fraction form
    216,995.54/300,025.26 = 190,060.76/x
  3. Step 3: Cross multiply
    216,995.54x = 300,025.26 × 190,060.76
  4. Step 4: Simplify right side
    216,995.54x = 57,023,029,150.31
  5. Step 5: Solve for x
    x = 57,023,029,150.31/216,995.54
  6. Step 6: Final answer
    x = 262,784.34

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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.