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Finding the Fourth Proportional to 173,195.10, 259,829.10 and 54,878.40

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Solution

The fourth proportional to 173,195.10, 259,829.10 and 54,878.40 is: 82,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,195.10 : 259,829.10 = 54,878.40 : x
  2. Step 2: Convert to fraction form
    173,195.10/259,829.10 = 54,878.40/x
  3. Step 3: Cross multiply
    173,195.10x = 259,829.10 × 54,878.40
  4. Step 4: Simplify right side
    173,195.10x = 14,259,005,281.44
  5. Step 5: Solve for x
    x = 14,259,005,281.44/173,195.10
  6. Step 6: Final answer
    x = 82,329.15

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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.