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Finding the Fourth Proportional to 195,728.40, 293,657.40 and 62,629.20

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Solution

The fourth proportional to 195,728.40, 293,657.40 and 62,629.20 is: 93,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,728.40 : 293,657.40 = 62,629.20 : x
  2. Step 2: Convert to fraction form
    195,728.40/293,657.40 = 62,629.20/x
  3. Step 3: Cross multiply
    195,728.40x = 293,657.40 × 62,629.20
  4. Step 4: Simplify right side
    195,728.40x = 18,391,528,036.08
  5. Step 5: Solve for x
    x = 18,391,528,036.08/195,728.40
  6. Step 6: Final answer
    x = 93,964.53

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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.