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Finding the Fourth Proportional to 189,087.93, 260,941.38 and 103,046.94

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Solution

The fourth proportional to 189,087.93, 260,941.38 and 103,046.94 is: 142,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,087.93 : 260,941.38 = 103,046.94 : x
  2. Step 2: Convert to fraction form
    189,087.93/260,941.38 = 103,046.94/x
  3. Step 3: Cross multiply
    189,087.93x = 260,941.38 × 103,046.94
  4. Step 4: Simplify right side
    189,087.93x = 26,889,210,728.38
  5. Step 5: Solve for x
    x = 26,889,210,728.38/189,087.93
  6. Step 6: Final answer
    x = 142,204.80

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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.