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Finding the Fourth Proportional to 84,143.68, 116,110.21 and 46,415.50

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Solution

The fourth proportional to 84,143.68, 116,110.21 and 46,415.50 is: 64,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,143.68 : 116,110.21 = 46,415.50 : x
  2. Step 2: Convert to fraction form
    84,143.68/116,110.21 = 46,415.50/x
  3. Step 3: Cross multiply
    84,143.68x = 116,110.21 × 46,415.50
  4. Step 4: Simplify right side
    84,143.68x = 5,389,313,452.26
  5. Step 5: Solve for x
    x = 5,389,313,452.26/84,143.68
  6. Step 6: Final answer
    x = 64,048.94

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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.