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Finding the Fourth Proportional to 190,088, 262,390.56 and 110,600

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Solution

The fourth proportional to 190,088, 262,390.56 and 110,600 is: 152,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,088 : 262,390.56 = 110,600 : x
  2. Step 2: Convert to fraction form
    190,088/262,390.56 = 110,600/x
  3. Step 3: Cross multiply
    190,088x = 262,390.56 × 110,600
  4. Step 4: Simplify right side
    190,088x = 29,020,395,936
  5. Step 5: Solve for x
    x = 29,020,395,936/190,088
  6. Step 6: Final answer
    x = 152,668.22

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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.