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Finding the Fourth Proportional to 118,994.40, 178,382.24 and 51,484.24

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Solution

The fourth proportional to 118,994.40, 178,382.24 and 51,484.24 is: 77,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,994.40 : 178,382.24 = 51,484.24 : x
  2. Step 2: Convert to fraction form
    118,994.40/178,382.24 = 51,484.24/x
  3. Step 3: Cross multiply
    118,994.40x = 178,382.24 × 51,484.24
  4. Step 4: Simplify right side
    118,994.40x = 9,183,874,055.90
  5. Step 5: Solve for x
    x = 9,183,874,055.90/118,994.40
  6. Step 6: Final answer
    x = 77,179.04

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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.