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Finding the Fourth Proportional to 370,125.50, 555,192.80 and 130,246.56

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Solution

The fourth proportional to 370,125.50, 555,192.80 and 130,246.56 is: 195,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,125.50 : 555,192.80 = 130,246.56 : x
  2. Step 2: Convert to fraction form
    370,125.50/555,192.80 = 130,246.56/x
  3. Step 3: Cross multiply
    370,125.50x = 555,192.80 × 130,246.56
  4. Step 4: Simplify right side
    370,125.50x = 72,311,952,336.77
  5. Step 5: Solve for x
    x = 72,311,952,336.77/370,125.50
  6. Step 6: Final answer
    x = 195,371.44

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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.