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Finding the Fourth Proportional to 176,714.40, 264,877.20 and 76,857.60

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Solution

The fourth proportional to 176,714.40, 264,877.20 and 76,857.60 is: 115,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,714.40 : 264,877.20 = 76,857.60 : x
  2. Step 2: Convert to fraction form
    176,714.40/264,877.20 = 76,857.60/x
  3. Step 3: Cross multiply
    176,714.40x = 264,877.20 × 76,857.60
  4. Step 4: Simplify right side
    176,714.40x = 20,357,825,886.72
  5. Step 5: Solve for x
    x = 20,357,825,886.72/176,714.40
  6. Step 6: Final answer
    x = 115,201.85

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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.