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Finding the Fourth Proportional to 186,396.60, 279,361.74 and 146,797.32

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Solution

The fourth proportional to 186,396.60, 279,361.74 and 146,797.32 is: 220,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,396.60 : 279,361.74 = 146,797.32 : x
  2. Step 2: Convert to fraction form
    186,396.60/279,361.74 = 146,797.32/x
  3. Step 3: Cross multiply
    186,396.60x = 279,361.74 × 146,797.32
  4. Step 4: Simplify right side
    186,396.60x = 41,009,554,742.54
  5. Step 5: Solve for x
    x = 41,009,554,742.54/186,396.60
  6. Step 6: Final answer
    x = 220,012.35

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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.