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Finding the Fourth Proportional to 96,651.69, 133,380.06 and 53,631.35

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Solution

The fourth proportional to 96,651.69, 133,380.06 and 53,631.35 is: 74,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,651.69 : 133,380.06 = 53,631.35 : x
  2. Step 2: Convert to fraction form
    96,651.69/133,380.06 = 53,631.35/x
  3. Step 3: Cross multiply
    96,651.69x = 133,380.06 × 53,631.35
  4. Step 4: Simplify right side
    96,651.69x = 7,153,353,139.70
  5. Step 5: Solve for x
    x = 7,153,353,139.70/96,651.69
  6. Step 6: Final answer
    x = 74,011.67

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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.