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Finding the Fourth Proportional to 116,878.40, 175,317.60 and 33,780.80

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Solution

The fourth proportional to 116,878.40, 175,317.60 and 33,780.80 is: 50,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,878.40 : 175,317.60 = 33,780.80 : x
  2. Step 2: Convert to fraction form
    116,878.40/175,317.60 = 33,780.80/x
  3. Step 3: Cross multiply
    116,878.40x = 175,317.60 × 33,780.80
  4. Step 4: Simplify right side
    116,878.40x = 5,922,368,782.08
  5. Step 5: Solve for x
    x = 5,922,368,782.08/116,878.40
  6. Step 6: Final answer
    x = 50,671.20

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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.