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Finding the Fourth Proportional to 370,204.76, 555,192.23 and 133,516.69

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Solution

The fourth proportional to 370,204.76, 555,192.23 and 133,516.69 is: 200,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,204.76 : 555,192.23 = 133,516.69 : x
  2. Step 2: Convert to fraction form
    370,204.76/555,192.23 = 133,516.69/x
  3. Step 3: Cross multiply
    370,204.76x = 555,192.23 × 133,516.69
  4. Step 4: Simplify right side
    370,204.76x = 74,127,426,807.75
  5. Step 5: Solve for x
    x = 74,127,426,807.75/370,204.76
  6. Step 6: Final answer
    x = 200,233.59

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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.