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Finding the Fourth Proportional to 365,577.08, 547,991.76 and 140,849.51

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Solution

The fourth proportional to 365,577.08, 547,991.76 and 140,849.51 is: 211,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,577.08 : 547,991.76 = 140,849.51 : x
  2. Step 2: Convert to fraction form
    365,577.08/547,991.76 = 140,849.51/x
  3. Step 3: Cross multiply
    365,577.08x = 547,991.76 × 140,849.51
  4. Step 4: Simplify right side
    365,577.08x = 77,184,370,880.04
  5. Step 5: Solve for x
    x = 77,184,370,880.04/365,577.08
  6. Step 6: Final answer
    x = 211,130.22

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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.