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Finding the Fourth Proportional to 119,483.50, 164,867.93 and 68,486.84

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Solution

The fourth proportional to 119,483.50, 164,867.93 and 68,486.84 is: 94,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,483.50 : 164,867.93 = 68,486.84 : x
  2. Step 2: Convert to fraction form
    119,483.50/164,867.93 = 68,486.84/x
  3. Step 3: Cross multiply
    119,483.50x = 164,867.93 × 68,486.84
  4. Step 4: Simplify right side
    119,483.50x = 11,291,284,646.01
  5. Step 5: Solve for x
    x = 11,291,284,646.01/119,483.50
  6. Step 6: Final answer
    x = 94,500.79

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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.