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Finding the Fourth Proportional to 115,556.70, 173,392.65 and 65,675.10

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Solution

The fourth proportional to 115,556.70, 173,392.65 and 65,675.10 is: 98,545.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,556.70 : 173,392.65 = 65,675.10 : x
  2. Step 2: Convert to fraction form
    115,556.70/173,392.65 = 65,675.10/x
  3. Step 3: Cross multiply
    115,556.70x = 173,392.65 × 65,675.10
  4. Step 4: Simplify right side
    115,556.70x = 11,387,579,628.02
  5. Step 5: Solve for x
    x = 11,387,579,628.02/115,556.70
  6. Step 6: Final answer
    x = 98,545.39

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1.5x scale

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.