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Finding the Fourth Proportional to 250,329.95, 375,741.62 and 178,362.80

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Solution

The fourth proportional to 250,329.95, 375,741.62 and 178,362.80 is: 267,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,329.95 : 375,741.62 = 178,362.80 : x
  2. Step 2: Convert to fraction form
    250,329.95/375,741.62 = 178,362.80/x
  3. Step 3: Cross multiply
    250,329.95x = 375,741.62 × 178,362.80
  4. Step 4: Simplify right side
    250,329.95x = 67,018,326,527.92
  5. Step 5: Solve for x
    x = 67,018,326,527.92/250,329.95
  6. Step 6: Final answer
    x = 267,719.97

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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.