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Finding the Fourth Proportional to 86,272.70, 119,045.70 and 48,022.67

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Solution

The fourth proportional to 86,272.70, 119,045.70 and 48,022.67 is: 66,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,272.70 : 119,045.70 = 48,022.67 : x
  2. Step 2: Convert to fraction form
    86,272.70/119,045.70 = 48,022.67/x
  3. Step 3: Cross multiply
    86,272.70x = 119,045.70 × 48,022.67
  4. Step 4: Simplify right side
    86,272.70x = 5,716,892,663.63
  5. Step 5: Solve for x
    x = 5,716,892,663.63/86,272.70
  6. Step 6: Final answer
    x = 66,265.38

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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.