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Finding the Fourth Proportional to 198,454.83, 273,866.56 and 107,810.07

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Solution

The fourth proportional to 198,454.83, 273,866.56 and 107,810.07 is: 148,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,454.83 : 273,866.56 = 107,810.07 : x
  2. Step 2: Convert to fraction form
    198,454.83/273,866.56 = 107,810.07/x
  3. Step 3: Cross multiply
    198,454.83x = 273,866.56 × 107,810.07
  4. Step 4: Simplify right side
    198,454.83x = 29,525,573,004.26
  5. Step 5: Solve for x
    x = 29,525,573,004.26/198,454.83
  6. Step 6: Final answer
    x = 148,777.30

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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.