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Finding the Fourth Proportional to 176,671.80, 264,359.70 and 130,015.80

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Solution

The fourth proportional to 176,671.80, 264,359.70 and 130,015.80 is: 194,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,671.80 : 264,359.70 = 130,015.80 : x
  2. Step 2: Convert to fraction form
    176,671.80/264,359.70 = 130,015.80/x
  3. Step 3: Cross multiply
    176,671.80x = 264,359.70 × 130,015.80
  4. Step 4: Simplify right side
    176,671.80x = 34,370,937,883.26
  5. Step 5: Solve for x
    x = 34,370,937,883.26/176,671.80
  6. Step 6: Final answer
    x = 194,546.83

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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.