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Finding the Fourth Proportional to 295,807.80, 443,711.70 and 146,119.80

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Solution

The fourth proportional to 295,807.80, 443,711.70 and 146,119.80 is: 219,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,807.80 : 443,711.70 = 146,119.80 : x
  2. Step 2: Convert to fraction form
    295,807.80/443,711.70 = 146,119.80/x
  3. Step 3: Cross multiply
    295,807.80x = 443,711.70 × 146,119.80
  4. Step 4: Simplify right side
    295,807.80x = 64,835,064,861.66
  5. Step 5: Solve for x
    x = 64,835,064,861.66/295,807.80
  6. Step 6: Final answer
    x = 219,179.70

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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.