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Finding the Fourth Proportional to 118,804.98, 178,207.50 and 48,636.30

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Solution

The fourth proportional to 118,804.98, 178,207.50 and 48,636.30 is: 72,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,804.98 : 178,207.50 = 48,636.30 : x
  2. Step 2: Convert to fraction form
    118,804.98/178,207.50 = 48,636.30/x
  3. Step 3: Cross multiply
    118,804.98x = 178,207.50 × 48,636.30
  4. Step 4: Simplify right side
    118,804.98x = 8,667,353,432.25
  5. Step 5: Solve for x
    x = 8,667,353,432.25/118,804.98
  6. Step 6: Final answer
    x = 72,954.46

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1.5x scale

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.