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Finding the Fourth Proportional to 119,367, 164,730.60 and 65,656.08

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Solution

The fourth proportional to 119,367, 164,730.60 and 65,656.08 is: 90,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,367 : 164,730.60 = 65,656.08 : x
  2. Step 2: Convert to fraction form
    119,367/164,730.60 = 65,656.08/x
  3. Step 3: Cross multiply
    119,367x = 164,730.60 × 65,656.08
  4. Step 4: Simplify right side
    119,367x = 10,815,565,452.05
  5. Step 5: Solve for x
    x = 10,815,565,452.05/119,367
  6. Step 6: Final answer
    x = 90,607.67

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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.