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Finding the Fourth Proportional to 156,596.40, 234,894.60 and 119,271.60

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Solution

The fourth proportional to 156,596.40, 234,894.60 and 119,271.60 is: 178,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,596.40 : 234,894.60 = 119,271.60 : x
  2. Step 2: Convert to fraction form
    156,596.40/234,894.60 = 119,271.60/x
  3. Step 3: Cross multiply
    156,596.40x = 234,894.60 × 119,271.60
  4. Step 4: Simplify right side
    156,596.40x = 28,016,254,773.36
  5. Step 5: Solve for x
    x = 28,016,254,773.36/156,596.40
  6. Step 6: Final answer
    x = 178,907.40

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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.