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Finding the Fourth Proportional to 116,816.40, 174,965.40 and 46,659.60

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Solution

The fourth proportional to 116,816.40, 174,965.40 and 46,659.60 is: 69,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,816.40 : 174,965.40 = 46,659.60 : x
  2. Step 2: Convert to fraction form
    116,816.40/174,965.40 = 46,659.60/x
  3. Step 3: Cross multiply
    116,816.40x = 174,965.40 × 46,659.60
  4. Step 4: Simplify right side
    116,816.40x = 8,163,815,577.84
  5. Step 5: Solve for x
    x = 8,163,815,577.84/116,816.40
  6. Step 6: Final answer
    x = 69,885.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.