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Finding the Fourth Proportional to 173,370.60, 260,055.90 and 126,714.60

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Solution

The fourth proportional to 173,370.60, 260,055.90 and 126,714.60 is: 190,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,370.60 : 260,055.90 = 126,714.60 : x
  2. Step 2: Convert to fraction form
    173,370.60/260,055.90 = 126,714.60/x
  3. Step 3: Cross multiply
    173,370.60x = 260,055.90 × 126,714.60
  4. Step 4: Simplify right side
    173,370.60x = 32,952,879,346.14
  5. Step 5: Solve for x
    x = 32,952,879,346.14/173,370.60
  6. Step 6: Final answer
    x = 190,071.90

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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.