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Finding the Fourth Proportional to 174,870.40, 262,305.60 and 69,764.80

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Solution

The fourth proportional to 174,870.40, 262,305.60 and 69,764.80 is: 104,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,870.40 : 262,305.60 = 69,764.80 : x
  2. Step 2: Convert to fraction form
    174,870.40/262,305.60 = 69,764.80/x
  3. Step 3: Cross multiply
    174,870.40x = 262,305.60 × 69,764.80
  4. Step 4: Simplify right side
    174,870.40x = 18,299,697,722.88
  5. Step 5: Solve for x
    x = 18,299,697,722.88/174,870.40
  6. Step 6: Final answer
    x = 104,647.20

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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.