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Finding the Fourth Proportional to 295,660.98, 443,485.20 and 95,981.07

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Solution

The fourth proportional to 295,660.98, 443,485.20 and 95,981.07 is: 143,969.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,660.98 : 443,485.20 = 95,981.07 : x
  2. Step 2: Convert to fraction form
    295,660.98/443,485.20 = 95,981.07/x
  3. Step 3: Cross multiply
    295,660.98x = 443,485.20 × 95,981.07
  4. Step 4: Simplify right side
    295,660.98x = 42,566,184,025.16
  5. Step 5: Solve for x
    x = 42,566,184,025.16/295,660.98
  6. Step 6: Final answer
    x = 143,969.57

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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.