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Finding the Fourth Proportional to 250,176.58, 345,243.22 and 135,455.20

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Solution

The fourth proportional to 250,176.58, 345,243.22 and 135,455.20 is: 186,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,176.58 : 345,243.22 = 135,455.20 : x
  2. Step 2: Convert to fraction form
    250,176.58/345,243.22 = 135,455.20/x
  3. Step 3: Cross multiply
    250,176.58x = 345,243.22 × 135,455.20
  4. Step 4: Simplify right side
    250,176.58x = 46,764,989,413.74
  5. Step 5: Solve for x
    x = 46,764,989,413.74/250,176.58
  6. Step 6: Final answer
    x = 186,927.93

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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.