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Finding the Fourth Proportional to 173,404.60, 260,106.90 and 126,748.60

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Solution

The fourth proportional to 173,404.60, 260,106.90 and 126,748.60 is: 190,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,404.60 : 260,106.90 = 126,748.60 : x
  2. Step 2: Convert to fraction form
    173,404.60/260,106.90 = 126,748.60/x
  3. Step 3: Cross multiply
    173,404.60x = 260,106.90 × 126,748.60
  4. Step 4: Simplify right side
    173,404.60x = 32,968,185,425.34
  5. Step 5: Solve for x
    x = 32,968,185,425.34/173,404.60
  6. Step 6: Final answer
    x = 190,122.90

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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.