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Finding the Fourth Proportional to 173,834.60, 260,751.90 and 118,538.60

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Solution

The fourth proportional to 173,834.60, 260,751.90 and 118,538.60 is: 177,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,834.60 : 260,751.90 = 118,538.60 : x
  2. Step 2: Convert to fraction form
    173,834.60/260,751.90 = 118,538.60/x
  3. Step 3: Cross multiply
    173,834.60x = 260,751.90 × 118,538.60
  4. Step 4: Simplify right side
    173,834.60x = 30,909,165,173.34
  5. Step 5: Solve for x
    x = 30,909,165,173.34/173,834.60
  6. Step 6: Final answer
    x = 177,807.90

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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.