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Finding the Fourth Proportional to 365,748.84, 548,669.96 and 141,173.50

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Solution

The fourth proportional to 365,748.84, 548,669.96 and 141,173.50 is: 211,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,748.84 : 548,669.96 = 141,173.50 : x
  2. Step 2: Convert to fraction form
    365,748.84/548,669.96 = 141,173.50/x
  3. Step 3: Cross multiply
    365,748.84x = 548,669.96 × 141,173.50
  4. Step 4: Simplify right side
    365,748.84x = 77,457,657,579.32
  5. Step 5: Solve for x
    x = 77,457,657,579.32/365,748.84
  6. Step 6: Final answer
    x = 211,778.27

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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.