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Finding the Fourth Proportional to 84,580.89, 116,721.60 and 46,342.88

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Solution

The fourth proportional to 84,580.89, 116,721.60 and 46,342.88 is: 63,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,580.89 : 116,721.60 = 46,342.88 : x
  2. Step 2: Convert to fraction form
    84,580.89/116,721.60 = 46,342.88/x
  3. Step 3: Cross multiply
    84,580.89x = 116,721.60 × 46,342.88
  4. Step 4: Simplify right side
    84,580.89x = 5,409,214,518.60
  5. Step 5: Solve for x
    x = 5,409,214,518.60/84,580.89
  6. Step 6: Final answer
    x = 63,953.15

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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.