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Finding the Fourth Proportional to 124,081.96, 186,230.40 and 64,958.98

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Solution

The fourth proportional to 124,081.96, 186,230.40 and 64,958.98 is: 97,494.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,081.96 : 186,230.40 = 64,958.98 : x
  2. Step 2: Convert to fraction form
    124,081.96/186,230.40 = 64,958.98/x
  3. Step 3: Cross multiply
    124,081.96x = 186,230.40 × 64,958.98
  4. Step 4: Simplify right side
    124,081.96x = 12,097,336,828.99
  5. Step 5: Solve for x
    x = 12,097,336,828.99/124,081.96
  6. Step 6: Final answer
    x = 97,494.73

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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.