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Finding the Fourth Proportional to 369,320.92, 554,040.61 and 156,090.92

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Solution

The fourth proportional to 369,320.92, 554,040.61 and 156,090.92 is: 234,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,320.92 : 554,040.61 = 156,090.92 : x
  2. Step 2: Convert to fraction form
    369,320.92/554,040.61 = 156,090.92/x
  3. Step 3: Cross multiply
    369,320.92x = 554,040.61 × 156,090.92
  4. Step 4: Simplify right side
    369,320.92x = 86,480,705,371.83
  5. Step 5: Solve for x
    x = 86,480,705,371.83/369,320.92
  6. Step 6: Final answer
    x = 234,161.41

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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.