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Finding the Fourth Proportional to 86,453.42, 119,305.62 and 46,709.42

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Solution

The fourth proportional to 86,453.42, 119,305.62 and 46,709.42 is: 64,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,453.42 : 119,305.62 = 46,709.42 : x
  2. Step 2: Convert to fraction form
    86,453.42/119,305.62 = 46,709.42/x
  3. Step 3: Cross multiply
    86,453.42x = 119,305.62 × 46,709.42
  4. Step 4: Simplify right side
    86,453.42x = 5,572,696,312.94
  5. Step 5: Solve for x
    x = 5,572,696,312.94/86,453.42
  6. Step 6: Final answer
    x = 64,458.95

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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.