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Finding the Fourth Proportional to 190,558, 262,951.14 and 110,011.51

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Solution

The fourth proportional to 190,558, 262,951.14 and 110,011.51 is: 151,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,558 : 262,951.14 = 110,011.51 : x
  2. Step 2: Convert to fraction form
    190,558/262,951.14 = 110,011.51/x
  3. Step 3: Cross multiply
    190,558x = 262,951.14 × 110,011.51
  4. Step 4: Simplify right side
    190,558x = 28,927,651,967.62
  5. Step 5: Solve for x
    x = 28,927,651,967.62/190,558
  6. Step 6: Final answer
    x = 151,804.97

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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.