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Finding the Fourth Proportional to 174,028.40, 260,869.80 and 80,370.80

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Solution

The fourth proportional to 174,028.40, 260,869.80 and 80,370.80 is: 120,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,028.40 : 260,869.80 = 80,370.80 : x
  2. Step 2: Convert to fraction form
    174,028.40/260,869.80 = 80,370.80/x
  3. Step 3: Cross multiply
    174,028.40x = 260,869.80 × 80,370.80
  4. Step 4: Simplify right side
    174,028.40x = 20,966,314,521.84
  5. Step 5: Solve for x
    x = 20,966,314,521.84/174,028.40
  6. Step 6: Final answer
    x = 120,476.40

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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.