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Finding the Fourth Proportional to 248,155.67, 342,362.03 and 146,118.76

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Solution

The fourth proportional to 248,155.67, 342,362.03 and 146,118.76 is: 201,589.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,155.67 : 342,362.03 = 146,118.76 : x
  2. Step 2: Convert to fraction form
    248,155.67/342,362.03 = 146,118.76/x
  3. Step 3: Cross multiply
    248,155.67x = 342,362.03 × 146,118.76
  4. Step 4: Simplify right side
    248,155.67x = 50,025,513,582.87
  5. Step 5: Solve for x
    x = 50,025,513,582.87/248,155.67
  6. Step 6: Final answer
    x = 201,589.24

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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.