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Finding the Fourth Proportional to 119,181.64, 164,462.58 and 65,468.92

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Solution

The fourth proportional to 119,181.64, 164,462.58 and 65,468.92 is: 90,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,181.64 : 164,462.58 = 65,468.92 : x
  2. Step 2: Convert to fraction form
    119,181.64/164,462.58 = 65,468.92/x
  3. Step 3: Cross multiply
    119,181.64x = 164,462.58 × 65,468.92
  4. Step 4: Simplify right side
    119,181.64x = 10,767,187,493.01
  5. Step 5: Solve for x
    x = 10,767,187,493.01/119,181.64
  6. Step 6: Final answer
    x = 90,342.67

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1.5x scale

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.