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Finding the Fourth Proportional to 173,841.60, 260,859.60 and 73,984.80

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Solution

The fourth proportional to 173,841.60, 260,859.60 and 73,984.80 is: 111,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,841.60 : 260,859.60 = 73,984.80 : x
  2. Step 2: Convert to fraction form
    173,841.60/260,859.60 = 73,984.80/x
  3. Step 3: Cross multiply
    173,841.60x = 260,859.60 × 73,984.80
  4. Step 4: Simplify right side
    173,841.60x = 19,299,645,334.08
  5. Step 5: Solve for x
    x = 19,299,645,334.08/173,841.60
  6. Step 6: Final answer
    x = 111,018.57

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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.