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Finding the Fourth Proportional to 170,960.96, 235,924.80 and 94,485.20

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Solution

The fourth proportional to 170,960.96, 235,924.80 and 94,485.20 is: 130,388.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,960.96 : 235,924.80 = 94,485.20 : x
  2. Step 2: Convert to fraction form
    170,960.96/235,924.80 = 94,485.20/x
  3. Step 3: Cross multiply
    170,960.96x = 235,924.80 × 94,485.20
  4. Step 4: Simplify right side
    170,960.96x = 22,291,401,912.96
  5. Step 5: Solve for x
    x = 22,291,401,912.96/170,960.96
  6. Step 6: Final answer
    x = 130,388.84

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1.5x scale

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.