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Finding the Fourth Proportional to 112,065.24, 154,650.06 and 61,764.24

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Solution

The fourth proportional to 112,065.24, 154,650.06 and 61,764.24 is: 85,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,065.24 : 154,650.06 = 61,764.24 : x
  2. Step 2: Convert to fraction form
    112,065.24/154,650.06 = 61,764.24/x
  3. Step 3: Cross multiply
    112,065.24x = 154,650.06 × 61,764.24
  4. Step 4: Simplify right side
    112,065.24x = 9,551,843,421.85
  5. Step 5: Solve for x
    x = 9,551,843,421.85/112,065.24
  6. Step 6: Final answer
    x = 85,234.67

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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.