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Finding the Fourth Proportional to 117,107.60, 175,661.40 and 47,037.20

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Solution

The fourth proportional to 117,107.60, 175,661.40 and 47,037.20 is: 70,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,107.60 : 175,661.40 = 47,037.20 : x
  2. Step 2: Convert to fraction form
    117,107.60/175,661.40 = 47,037.20/x
  3. Step 3: Cross multiply
    117,107.60x = 175,661.40 × 47,037.20
  4. Step 4: Simplify right side
    117,107.60x = 8,262,620,404.08
  5. Step 5: Solve for x
    x = 8,262,620,404.08/117,107.60
  6. Step 6: Final answer
    x = 70,555.80

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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.