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Finding the Fourth Proportional to 173,615.60, 260,034.60 and 103,631.60

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Solution

The fourth proportional to 173,615.60, 260,034.60 and 103,631.60 is: 155,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,615.60 : 260,034.60 = 103,631.60 : x
  2. Step 2: Convert to fraction form
    173,615.60/260,034.60 = 103,631.60/x
  3. Step 3: Cross multiply
    173,615.60x = 260,034.60 × 103,631.60
  4. Step 4: Simplify right side
    173,615.60x = 26,947,801,653.36
  5. Step 5: Solve for x
    x = 26,947,801,653.36/173,615.60
  6. Step 6: Final answer
    x = 155,215.32

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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.