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Finding the Fourth Proportional to 178,213.94, 245,903.98 and 101,698.10

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Solution

The fourth proportional to 178,213.94, 245,903.98 and 101,698.10 is: 140,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,213.94 : 245,903.98 = 101,698.10 : x
  2. Step 2: Convert to fraction form
    178,213.94/245,903.98 = 101,698.10/x
  3. Step 3: Cross multiply
    178,213.94x = 245,903.98 × 101,698.10
  4. Step 4: Simplify right side
    178,213.94x = 25,007,967,548.44
  5. Step 5: Solve for x
    x = 25,007,967,548.44/178,213.94
  6. Step 6: Final answer
    x = 140,325.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.