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Finding the Fourth Proportional to 255,898.99, 353,026.42 and 148,406.77

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Solution

The fourth proportional to 255,898.99, 353,026.42 and 148,406.77 is: 204,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,898.99 : 353,026.42 = 148,406.77 : x
  2. Step 2: Convert to fraction form
    255,898.99/353,026.42 = 148,406.77/x
  3. Step 3: Cross multiply
    255,898.99x = 353,026.42 × 148,406.77
  4. Step 4: Simplify right side
    255,898.99x = 52,391,510,716.86
  5. Step 5: Solve for x
    x = 52,391,510,716.86/255,898.99
  6. Step 6: Final answer
    x = 204,735.12

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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.