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Finding the Fourth Proportional to 104,977.35, 157,466.03 and 91,855.35

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Solution

The fourth proportional to 104,977.35, 157,466.03 and 91,855.35 is: 137,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,977.35 : 157,466.03 = 91,855.35 : x
  2. Step 2: Convert to fraction form
    104,977.35/157,466.03 = 91,855.35/x
  3. Step 3: Cross multiply
    104,977.35x = 157,466.03 × 91,855.35
  4. Step 4: Simplify right side
    104,977.35x = 14,464,096,839.48
  5. Step 5: Solve for x
    x = 14,464,096,839.48/104,977.35
  6. Step 6: Final answer
    x = 137,783.03

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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.