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Finding the Fourth Proportional to 173,308.40, 259,987.36 and 53,375.52

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Solution

The fourth proportional to 173,308.40, 259,987.36 and 53,375.52 is: 80,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,308.40 : 259,987.36 = 53,375.52 : x
  2. Step 2: Convert to fraction form
    173,308.40/259,987.36 = 53,375.52/x
  3. Step 3: Cross multiply
    173,308.40x = 259,987.36 × 53,375.52
  4. Step 4: Simplify right side
    173,308.40x = 13,876,960,533.43
  5. Step 5: Solve for x
    x = 13,876,960,533.43/173,308.40
  6. Step 6: Final answer
    x = 80,070.91

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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.