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Finding the Fourth Proportional to 198,343.15, 273,706.06 and 107,697.15

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Solution

The fourth proportional to 198,343.15, 273,706.06 and 107,697.15 is: 148,618.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,343.15 : 273,706.06 = 107,697.15 : x
  2. Step 2: Convert to fraction form
    198,343.15/273,706.06 = 107,697.15/x
  3. Step 3: Cross multiply
    198,343.15x = 273,706.06 × 107,697.15
  4. Step 4: Simplify right side
    198,343.15x = 29,477,362,599.73
  5. Step 5: Solve for x
    x = 29,477,362,599.73/198,343.15
  6. Step 6: Final answer
    x = 148,618.00

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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.