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Finding the Fourth Proportional to 117,453.60, 175,820.40 and 64,701.60

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Solution

The fourth proportional to 117,453.60, 175,820.40 and 64,701.60 is: 96,854.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,453.60 : 175,820.40 = 64,701.60 : x
  2. Step 2: Convert to fraction form
    117,453.60/175,820.40 = 64,701.60/x
  3. Step 3: Cross multiply
    117,453.60x = 175,820.40 × 64,701.60
  4. Step 4: Simplify right side
    117,453.60x = 11,375,861,192.64
  5. Step 5: Solve for x
    x = 11,375,861,192.64/117,453.60
  6. Step 6: Final answer
    x = 96,854.09

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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.