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Finding the Fourth Proportional to 176,115.40, 264,170.70 and 57,790.60

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Solution

The fourth proportional to 176,115.40, 264,170.70 and 57,790.60 is: 86,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,115.40 : 264,170.70 = 57,790.60 : x
  2. Step 2: Convert to fraction form
    176,115.40/264,170.70 = 57,790.60/x
  3. Step 3: Cross multiply
    176,115.40x = 264,170.70 × 57,790.60
  4. Step 4: Simplify right side
    176,115.40x = 15,266,583,255.42
  5. Step 5: Solve for x
    x = 15,266,583,255.42/176,115.40
  6. Step 6: Final answer
    x = 86,685.11

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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.