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Finding the Fourth Proportional to 170,119.80, 255,276.90 and 65,014.20

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Solution

The fourth proportional to 170,119.80, 255,276.90 and 65,014.20 is: 97,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,119.80 : 255,276.90 = 65,014.20 : x
  2. Step 2: Convert to fraction form
    170,119.80/255,276.90 = 65,014.20/x
  3. Step 3: Cross multiply
    170,119.80x = 255,276.90 × 65,014.20
  4. Step 4: Simplify right side
    170,119.80x = 16,596,623,431.98
  5. Step 5: Solve for x
    x = 16,596,623,431.98/170,119.80
  6. Step 6: Final answer
    x = 97,558.45

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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.