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Finding the Fourth Proportional to 171,003.60, 256,505.40 and 153,288.90

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Solution

The fourth proportional to 171,003.60, 256,505.40 and 153,288.90 is: 229,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,003.60 : 256,505.40 = 153,288.90 : x
  2. Step 2: Convert to fraction form
    171,003.60/256,505.40 = 153,288.90/x
  3. Step 3: Cross multiply
    171,003.60x = 256,505.40 × 153,288.90
  4. Step 4: Simplify right side
    171,003.60x = 39,319,430,610.06
  5. Step 5: Solve for x
    x = 39,319,430,610.06/171,003.60
  6. Step 6: Final answer
    x = 229,933.35

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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.