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Finding the Fourth Proportional to 203,130.87, 304,695.93 and 60,976.01

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Solution

The fourth proportional to 203,130.87, 304,695.93 and 60,976.01 is: 91,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,130.87 : 304,695.93 = 60,976.01 : x
  2. Step 2: Convert to fraction form
    203,130.87/304,695.93 = 60,976.01/x
  3. Step 3: Cross multiply
    203,130.87x = 304,695.93 × 60,976.01
  4. Step 4: Simplify right side
    203,130.87x = 18,579,142,074.64
  5. Step 5: Solve for x
    x = 18,579,142,074.64/203,130.87
  6. Step 6: Final answer
    x = 91,463.90

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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.