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Finding the Fourth Proportional to 295,612.30, 443,332.05 and 106,050.70

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Solution

The fourth proportional to 295,612.30, 443,332.05 and 106,050.70 is: 159,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,612.30 : 443,332.05 = 106,050.70 : x
  2. Step 2: Convert to fraction form
    295,612.30/443,332.05 = 106,050.70/x
  3. Step 3: Cross multiply
    295,612.30x = 443,332.05 × 106,050.70
  4. Step 4: Simplify right side
    295,612.30x = 47,015,674,234.94
  5. Step 5: Solve for x
    x = 47,015,674,234.94/295,612.30
  6. Step 6: Final answer
    x = 159,045.05

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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.