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Finding the Fourth Proportional to 322,771.37, 484,156.25 and 98,130.83

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Solution

The fourth proportional to 322,771.37, 484,156.25 and 98,130.83 is: 147,196.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,771.37 : 484,156.25 = 98,130.83 : x
  2. Step 2: Convert to fraction form
    322,771.37/484,156.25 = 98,130.83/x
  3. Step 3: Cross multiply
    322,771.37x = 484,156.25 × 98,130.83
  4. Step 4: Simplify right side
    322,771.37x = 47,510,655,381.92
  5. Step 5: Solve for x
    x = 47,510,655,381.92/322,771.37
  6. Step 6: Final answer
    x = 147,196.00

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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.