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Finding the Fourth Proportional to 347,750.84, 521,661.66 and 120,016.82

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Solution

The fourth proportional to 347,750.84, 521,661.66 and 120,016.82 is: 180,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,750.84 : 521,661.66 = 120,016.82 : x
  2. Step 2: Convert to fraction form
    347,750.84/521,661.66 = 120,016.82/x
  3. Step 3: Cross multiply
    347,750.84x = 521,661.66 × 120,016.82
  4. Step 4: Simplify right side
    347,750.84x = 62,608,174,853.28
  5. Step 5: Solve for x
    x = 62,608,174,853.28/347,750.84
  6. Step 6: Final answer
    x = 180,037.45

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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.