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Finding the Fourth Proportional to 84,698.77, 116,881.36 and 46,976.53

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Solution

The fourth proportional to 84,698.77, 116,881.36 and 46,976.53 is: 64,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,698.77 : 116,881.36 = 46,976.53 : x
  2. Step 2: Convert to fraction form
    84,698.77/116,881.36 = 46,976.53/x
  3. Step 3: Cross multiply
    84,698.77x = 116,881.36 × 46,976.53
  4. Step 4: Simplify right side
    84,698.77x = 5,490,680,714.48
  5. Step 5: Solve for x
    x = 5,490,680,714.48/84,698.77
  6. Step 6: Final answer
    x = 64,825.98

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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.