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Finding the Fourth Proportional to 104,090.06, 143,646.92 and 63,826.01

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Solution

The fourth proportional to 104,090.06, 143,646.92 and 63,826.01 is: 88,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,090.06 : 143,646.92 = 63,826.01 : x
  2. Step 2: Convert to fraction form
    104,090.06/143,646.92 = 63,826.01/x
  3. Step 3: Cross multiply
    104,090.06x = 143,646.92 × 63,826.01
  4. Step 4: Simplify right side
    104,090.06x = 9,168,408,715.02
  5. Step 5: Solve for x
    x = 9,168,408,715.02/104,090.06
  6. Step 6: Final answer
    x = 88,081.51

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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.