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Finding the Fourth Proportional to 118,812.10, 178,002.15 and 94,015.30

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Solution

The fourth proportional to 118,812.10, 178,002.15 and 94,015.30 is: 140,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,812.10 : 178,002.15 = 94,015.30 : x
  2. Step 2: Convert to fraction form
    118,812.10/178,002.15 = 94,015.30/x
  3. Step 3: Cross multiply
    118,812.10x = 178,002.15 × 94,015.30
  4. Step 4: Simplify right side
    118,812.10x = 16,734,925,532.90
  5. Step 5: Solve for x
    x = 16,734,925,532.90/118,812.10
  6. Step 6: Final answer
    x = 140,852.03

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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.