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Finding the Fourth Proportional to 86,609.25, 119,521.17 and 46,865.25

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Solution

The fourth proportional to 86,609.25, 119,521.17 and 46,865.25 is: 64,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,609.25 : 119,521.17 = 46,865.25 : x
  2. Step 2: Convert to fraction form
    86,609.25/119,521.17 = 46,865.25/x
  3. Step 3: Cross multiply
    86,609.25x = 119,521.17 × 46,865.25
  4. Step 4: Simplify right side
    86,609.25x = 5,601,389,512.34
  5. Step 5: Solve for x
    x = 5,601,389,512.34/86,609.25
  6. Step 6: Final answer
    x = 64,674.26

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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.