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Finding the Fourth Proportional to 238,585.32, 357,955.74 and 120,247.56

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Solution

The fourth proportional to 238,585.32, 357,955.74 and 120,247.56 is: 180,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,585.32 : 357,955.74 = 120,247.56 : x
  2. Step 2: Convert to fraction form
    238,585.32/357,955.74 = 120,247.56/x
  3. Step 3: Cross multiply
    238,585.32x = 357,955.74 × 120,247.56
  4. Step 4: Simplify right side
    238,585.32x = 43,043,304,322.99
  5. Step 5: Solve for x
    x = 43,043,304,322.99/238,585.32
  6. Step 6: Final answer
    x = 180,410.53

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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.