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Finding the Fourth Proportional to 173,678.60, 260,546.70 and 73,886.60

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Solution

The fourth proportional to 173,678.60, 260,546.70 and 73,886.60 is: 110,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,678.60 : 260,546.70 = 73,886.60 : x
  2. Step 2: Convert to fraction form
    173,678.60/260,546.70 = 73,886.60/x
  3. Step 3: Cross multiply
    173,678.60x = 260,546.70 × 73,886.60
  4. Step 4: Simplify right side
    173,678.60x = 19,250,909,804.22
  5. Step 5: Solve for x
    x = 19,250,909,804.22/173,678.60
  6. Step 6: Final answer
    x = 110,842.15

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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.