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Finding the Fourth Proportional to 262,040.83, 361,617.57 and 148,869.79

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Solution

The fourth proportional to 262,040.83, 361,617.57 and 148,869.79 is: 205,441.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,040.83 : 361,617.57 = 148,869.79 : x
  2. Step 2: Convert to fraction form
    262,040.83/361,617.57 = 148,869.79/x
  3. Step 3: Cross multiply
    262,040.83x = 361,617.57 × 148,869.79
  4. Step 4: Simplify right side
    262,040.83x = 53,833,931,706.21
  5. Step 5: Solve for x
    x = 53,833,931,706.21/262,040.83
  6. Step 6: Final answer
    x = 205,441.01

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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.