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Finding the Fourth Proportional to 239,339.21, 359,174.66 and 154,889.11

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Solution

The fourth proportional to 239,339.21, 359,174.66 and 154,889.11 is: 232,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,339.21 : 359,174.66 = 154,889.11 : x
  2. Step 2: Convert to fraction form
    239,339.21/359,174.66 = 154,889.11/x
  3. Step 3: Cross multiply
    239,339.21x = 359,174.66 × 154,889.11
  4. Step 4: Simplify right side
    239,339.21x = 55,632,243,096.48
  5. Step 5: Solve for x
    x = 55,632,243,096.48/239,339.21
  6. Step 6: Final answer
    x = 232,441.00

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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.