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Finding the Fourth Proportional to 114,455.10, 171,877.05 and 84,906.30

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Solution

The fourth proportional to 114,455.10, 171,877.05 and 84,906.30 is: 127,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,455.10 : 171,877.05 = 84,906.30 : x
  2. Step 2: Convert to fraction form
    114,455.10/171,877.05 = 84,906.30/x
  3. Step 3: Cross multiply
    114,455.10x = 171,877.05 × 84,906.30
  4. Step 4: Simplify right side
    114,455.10x = 14,593,444,370.42
  5. Step 5: Solve for x
    x = 14,593,444,370.42/114,455.10
  6. Step 6: Final answer
    x = 127,503.66

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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.