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Finding the Fourth Proportional to 248,869.95, 373,359.60 and 80,361.60

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Solution

The fourth proportional to 248,869.95, 373,359.60 and 80,361.60 is: 120,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,869.95 : 373,359.60 = 80,361.60 : x
  2. Step 2: Convert to fraction form
    248,869.95/373,359.60 = 80,361.60/x
  3. Step 3: Cross multiply
    248,869.95x = 373,359.60 × 80,361.60
  4. Step 4: Simplify right side
    248,869.95x = 30,003,774,831.36
  5. Step 5: Solve for x
    x = 30,003,774,831.36/248,869.95
  6. Step 6: Final answer
    x = 120,560.05

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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.