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Finding the Fourth Proportional to 239,049.50, 329,888.32 and 133,065.50

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Solution

The fourth proportional to 239,049.50, 329,888.32 and 133,065.50 is: 183,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,049.50 : 329,888.32 = 133,065.50 : x
  2. Step 2: Convert to fraction form
    239,049.50/329,888.32 = 133,065.50/x
  3. Step 3: Cross multiply
    239,049.50x = 329,888.32 × 133,065.50
  4. Step 4: Simplify right side
    239,049.50x = 43,896,754,244.96
  5. Step 5: Solve for x
    x = 43,896,754,244.96/239,049.50
  6. Step 6: Final answer
    x = 183,630.40

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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.