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Finding the Fourth Proportional to 114,445.60, 171,862.80 and 84,896.80

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Solution

The fourth proportional to 114,445.60, 171,862.80 and 84,896.80 is: 127,489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,445.60 : 171,862.80 = 84,896.80 : x
  2. Step 2: Convert to fraction form
    114,445.60/171,862.80 = 84,896.80/x
  3. Step 3: Cross multiply
    114,445.60x = 171,862.80 × 84,896.80
  4. Step 4: Simplify right side
    114,445.60x = 14,590,601,759.04
  5. Step 5: Solve for x
    x = 14,590,601,759.04/114,445.60
  6. Step 6: Final answer
    x = 127,489.41

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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.