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Finding the Fourth Proportional to 154,762.15, 232,208.83 and 84,559.45

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Solution

The fourth proportional to 154,762.15, 232,208.83 and 84,559.45 is: 126,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,762.15 : 232,208.83 = 84,559.45 : x
  2. Step 2: Convert to fraction form
    154,762.15/232,208.83 = 84,559.45/x
  3. Step 3: Cross multiply
    154,762.15x = 232,208.83 × 84,559.45
  4. Step 4: Simplify right side
    154,762.15x = 19,635,449,788.90
  5. Step 5: Solve for x
    x = 19,635,449,788.90/154,762.15
  6. Step 6: Final answer
    x = 126,875.02

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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.