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Finding the Fourth Proportional to 117,009.60, 175,514.40 and 114,676.80

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Solution

The fourth proportional to 117,009.60, 175,514.40 and 114,676.80 is: 172,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,009.60 : 175,514.40 = 114,676.80 : x
  2. Step 2: Convert to fraction form
    117,009.60/175,514.40 = 114,676.80/x
  3. Step 3: Cross multiply
    117,009.60x = 175,514.40 × 114,676.80
  4. Step 4: Simplify right side
    117,009.60x = 20,127,429,745.92
  5. Step 5: Solve for x
    x = 20,127,429,745.92/117,009.60
  6. Step 6: Final answer
    x = 172,015.20

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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.