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Finding the Fourth Proportional to 84,580.40, 116,720.90 and 46,342.43

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Solution

The fourth proportional to 84,580.40, 116,720.90 and 46,342.43 is: 63,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,580.40 : 116,720.90 = 46,342.43 : x
  2. Step 2: Convert to fraction form
    84,580.40/116,720.90 = 46,342.43/x
  3. Step 3: Cross multiply
    84,580.40x = 116,720.90 × 46,342.43
  4. Step 4: Simplify right side
    84,580.40x = 5,409,129,933.96
  5. Step 5: Solve for x
    x = 5,409,129,933.96/84,580.40
  6. Step 6: Final answer
    x = 63,952.52

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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.