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Finding the Fourth Proportional to 262,076.85, 393,015.72 and 93,565.77

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Solution

The fourth proportional to 262,076.85, 393,015.72 and 93,565.77 is: 140,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,076.85 : 393,015.72 = 93,565.77 : x
  2. Step 2: Convert to fraction form
    262,076.85/393,015.72 = 93,565.77/x
  3. Step 3: Cross multiply
    262,076.85x = 393,015.72 × 93,565.77
  4. Step 4: Simplify right side
    262,076.85x = 36,772,818,463.90
  5. Step 5: Solve for x
    x = 36,772,818,463.90/262,076.85
  6. Step 6: Final answer
    x = 140,313.11

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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.