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Finding the Fourth Proportional to 168,024.40, 252,036.60 and 129,970.60

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Solution

The fourth proportional to 168,024.40, 252,036.60 and 129,970.60 is: 194,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,024.40 : 252,036.60 = 129,970.60 : x
  2. Step 2: Convert to fraction form
    168,024.40/252,036.60 = 129,970.60/x
  3. Step 3: Cross multiply
    168,024.40x = 252,036.60 × 129,970.60
  4. Step 4: Simplify right side
    168,024.40x = 32,757,348,123.96
  5. Step 5: Solve for x
    x = 32,757,348,123.96/168,024.40
  6. Step 6: Final answer
    x = 194,955.90

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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.