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Finding the Fourth Proportional to 170,734.90, 256,102.35 and 65,556.40

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Solution

The fourth proportional to 170,734.90, 256,102.35 and 65,556.40 is: 98,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,734.90 : 256,102.35 = 65,556.40 : x
  2. Step 2: Convert to fraction form
    170,734.90/256,102.35 = 65,556.40/x
  3. Step 3: Cross multiply
    170,734.90x = 256,102.35 × 65,556.40
  4. Step 4: Simplify right side
    170,734.90x = 16,789,148,097.54
  5. Step 5: Solve for x
    x = 16,789,148,097.54/170,734.90
  6. Step 6: Final answer
    x = 98,334.60

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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.