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Finding the Fourth Proportional to 370,029.86, 555,266.21 and 159,667.79

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Solution

The fourth proportional to 370,029.86, 555,266.21 and 159,667.79 is: 239,597.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,029.86 : 555,266.21 = 159,667.79 : x
  2. Step 2: Convert to fraction form
    370,029.86/555,266.21 = 159,667.79/x
  3. Step 3: Cross multiply
    370,029.86x = 555,266.21 × 159,667.79
  4. Step 4: Simplify right side
    370,029.86x = 88,658,125,037.71
  5. Step 5: Solve for x
    x = 88,658,125,037.71/370,029.86
  6. Step 6: Final answer
    x = 239,597.22

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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.