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Finding the Fourth Proportional to 174,041.90, 260,890.05 and 80,384.30

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Solution

The fourth proportional to 174,041.90, 260,890.05 and 80,384.30 is: 120,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,041.90 : 260,890.05 = 80,384.30 : x
  2. Step 2: Convert to fraction form
    174,041.90/260,890.05 = 80,384.30/x
  3. Step 3: Cross multiply
    174,041.90x = 260,890.05 × 80,384.30
  4. Step 4: Simplify right side
    174,041.90x = 20,971,464,046.22
  5. Step 5: Solve for x
    x = 20,971,464,046.22/174,041.90
  6. Step 6: Final answer
    x = 120,496.64

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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.