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Finding the Fourth Proportional to 176,015.40, 264,020.70 and 57,690.60

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Solution

The fourth proportional to 176,015.40, 264,020.70 and 57,690.60 is: 86,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,015.40 : 264,020.70 = 57,690.60 : x
  2. Step 2: Convert to fraction form
    176,015.40/264,020.70 = 57,690.60/x
  3. Step 3: Cross multiply
    176,015.40x = 264,020.70 × 57,690.60
  4. Step 4: Simplify right side
    176,015.40x = 15,231,512,595.42
  5. Step 5: Solve for x
    x = 15,231,512,595.42/176,015.40
  6. Step 6: Final answer
    x = 86,535.11

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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.