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Finding the Fourth Proportional to 119,570.88, 179,268.48 and 57,285.12

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Solution

The fourth proportional to 119,570.88, 179,268.48 and 57,285.12 is: 85,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,570.88 : 179,268.48 = 57,285.12 : x
  2. Step 2: Convert to fraction form
    119,570.88/179,268.48 = 57,285.12/x
  3. Step 3: Cross multiply
    119,570.88x = 179,268.48 × 57,285.12
  4. Step 4: Simplify right side
    119,570.88x = 10,269,416,389.02
  5. Step 5: Solve for x
    x = 10,269,416,389.02/119,570.88
  6. Step 6: Final answer
    x = 85,885.60

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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.