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Finding the Fourth Proportional to 239,185.56, 358,763.76 and 98,940.60

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Solution

The fourth proportional to 239,185.56, 358,763.76 and 98,940.60 is: 148,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,185.56 : 358,763.76 = 98,940.60 : x
  2. Step 2: Convert to fraction form
    239,185.56/358,763.76 = 98,940.60/x
  3. Step 3: Cross multiply
    239,185.56x = 358,763.76 × 98,940.60
  4. Step 4: Simplify right side
    239,185.56x = 35,496,301,672.66
  5. Step 5: Solve for x
    x = 35,496,301,672.66/239,185.56
  6. Step 6: Final answer
    x = 148,404.87

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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.