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Finding the Fourth Proportional to 118,966.75, 178,450.13 and 45,094.75

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Solution

The fourth proportional to 118,966.75, 178,450.13 and 45,094.75 is: 67,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,966.75 : 178,450.13 = 45,094.75 : x
  2. Step 2: Convert to fraction form
    118,966.75/178,450.13 = 45,094.75/x
  3. Step 3: Cross multiply
    118,966.75x = 178,450.13 × 45,094.75
  4. Step 4: Simplify right side
    118,966.75x = 8,047,163,999.82
  5. Step 5: Solve for x
    x = 8,047,163,999.82/118,966.75
  6. Step 6: Final answer
    x = 67,642.13

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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.