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Finding the Fourth Proportional to 175,019.77, 262,669.79 and 90,804.07

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Solution

The fourth proportional to 175,019.77, 262,669.79 and 90,804.07 is: 136,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,019.77 : 262,669.79 = 90,804.07 : x
  2. Step 2: Convert to fraction form
    175,019.77/262,669.79 = 90,804.07/x
  3. Step 3: Cross multiply
    175,019.77x = 262,669.79 × 90,804.07
  4. Step 4: Simplify right side
    175,019.77x = 23,851,485,998.05
  5. Step 5: Solve for x
    x = 23,851,485,998.05/175,019.77
  6. Step 6: Final answer
    x = 136,278.81

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1.5x scale

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.