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Finding the Fourth Proportional to 96,782.60, 133,555.46 and 53,764.88

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Solution

The fourth proportional to 96,782.60, 133,555.46 and 53,764.88 is: 74,193.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,782.60 : 133,555.46 = 53,764.88 : x
  2. Step 2: Convert to fraction form
    96,782.60/133,555.46 = 53,764.88/x
  3. Step 3: Cross multiply
    96,782.60x = 133,555.46 × 53,764.88
  4. Step 4: Simplify right side
    96,782.60x = 7,180,592,343.64
  5. Step 5: Solve for x
    x = 7,180,592,343.64/96,782.60
  6. Step 6: Final answer
    x = 74,193.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.