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Finding the Fourth Proportional to 84,958.88, 117,246.21 and 46,720.00

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Solution

The fourth proportional to 84,958.88, 117,246.21 and 46,720.00 is: 64,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,958.88 : 117,246.21 = 46,720.00 : x
  2. Step 2: Convert to fraction form
    84,958.88/117,246.21 = 46,720.00/x
  3. Step 3: Cross multiply
    84,958.88x = 117,246.21 × 46,720.00
  4. Step 4: Simplify right side
    84,958.88x = 5,477,742,638.08
  5. Step 5: Solve for x
    x = 5,477,742,638.08/84,958.88
  6. Step 6: Final answer
    x = 64,475.22

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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.