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Finding the Fourth Proportional to 259,656.52, 389,504.48 and 70,114.13

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Solution

The fourth proportional to 259,656.52, 389,504.48 and 70,114.13 is: 105,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,656.52 : 389,504.48 = 70,114.13 : x
  2. Step 2: Convert to fraction form
    259,656.52/389,504.48 = 70,114.13/x
  3. Step 3: Cross multiply
    259,656.52x = 389,504.48 × 70,114.13
  4. Step 4: Simplify right side
    259,656.52x = 27,309,767,746.30
  5. Step 5: Solve for x
    x = 27,309,767,746.30/259,656.52
  6. Step 6: Final answer
    x = 105,176.51

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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.