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Finding the Fourth Proportional to 69,319.36, 104,037.36 and 64,945.36

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Solution

The fourth proportional to 69,319.36, 104,037.36 and 64,945.36 is: 97,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,319.36 : 104,037.36 = 64,945.36 : x
  2. Step 2: Convert to fraction form
    69,319.36/104,037.36 = 64,945.36/x
  3. Step 3: Cross multiply
    69,319.36x = 104,037.36 × 64,945.36
  4. Step 4: Simplify right side
    69,319.36x = 6,756,743,798.65
  5. Step 5: Solve for x
    x = 6,756,743,798.65/69,319.36
  6. Step 6: Final answer
    x = 97,472.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.