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Finding the Fourth Proportional to 326,119.65, 489,183.24 and 98,417.25

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Solution

The fourth proportional to 326,119.65, 489,183.24 and 98,417.25 is: 147,627.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,119.65 : 489,183.24 = 98,417.25 : x
  2. Step 2: Convert to fraction form
    326,119.65/489,183.24 = 98,417.25/x
  3. Step 3: Cross multiply
    326,119.65x = 489,183.24 × 98,417.25
  4. Step 4: Simplify right side
    326,119.65x = 48,144,069,226.89
  5. Step 5: Solve for x
    x = 48,144,069,226.89/326,119.65
  6. Step 6: Final answer
    x = 147,627.01

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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.