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Finding the Fourth Proportional to 118,841.16, 178,074.22 and 43,858.12

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Solution

The fourth proportional to 118,841.16, 178,074.22 and 43,858.12 is: 65,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,841.16 : 178,074.22 = 43,858.12 : x
  2. Step 2: Convert to fraction form
    118,841.16/178,074.22 = 43,858.12/x
  3. Step 3: Cross multiply
    118,841.16x = 178,074.22 × 43,858.12
  4. Step 4: Simplify right side
    118,841.16x = 7,810,000,509.67
  5. Step 5: Solve for x
    x = 7,810,000,509.67/118,841.16
  6. Step 6: Final answer
    x = 65,717.98

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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.