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Finding the Fourth Proportional to 149,577.93, 206,493.72 and 115,509.93

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Solution

The fourth proportional to 149,577.93, 206,493.72 and 115,509.93 is: 159,462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,577.93 : 206,493.72 = 115,509.93 : x
  2. Step 2: Convert to fraction form
    149,577.93/206,493.72 = 115,509.93/x
  3. Step 3: Cross multiply
    149,577.93x = 206,493.72 × 115,509.93
  4. Step 4: Simplify right side
    149,577.93x = 23,852,075,142.64
  5. Step 5: Solve for x
    x = 23,852,075,142.64/149,577.93
  6. Step 6: Final answer
    x = 159,462.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.