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Finding the Fourth Proportional to 190,557, 262,949.76 and 110,010.51

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Solution

The fourth proportional to 190,557, 262,949.76 and 110,010.51 is: 151,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,557 : 262,949.76 = 110,010.51 : x
  2. Step 2: Convert to fraction form
    190,557/262,949.76 = 110,010.51/x
  3. Step 3: Cross multiply
    190,557x = 262,949.76 × 110,010.51
  4. Step 4: Simplify right side
    190,557x = 28,927,237,201.98
  5. Step 5: Solve for x
    x = 28,927,237,201.98/190,557
  6. Step 6: Final answer
    x = 151,803.59

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1.5x scale

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.