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Finding the Fourth Proportional to 115,358.40, 173,037.60 and 95,918.40

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Solution

The fourth proportional to 115,358.40, 173,037.60 and 95,918.40 is: 143,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,358.40 : 173,037.60 = 95,918.40 : x
  2. Step 2: Convert to fraction form
    115,358.40/173,037.60 = 95,918.40/x
  3. Step 3: Cross multiply
    115,358.40x = 173,037.60 × 95,918.40
  4. Step 4: Simplify right side
    115,358.40x = 16,597,489,731.84
  5. Step 5: Solve for x
    x = 16,597,489,731.84/115,358.40
  6. Step 6: Final answer
    x = 143,877.60

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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.