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Finding the Fourth Proportional to 93,481.58, 129,003.60 and 57,657.26

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Solution

The fourth proportional to 93,481.58, 129,003.60 and 57,657.26 is: 79,566.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,481.58 : 129,003.60 = 57,657.26 : x
  2. Step 2: Convert to fraction form
    93,481.58/129,003.60 = 57,657.26/x
  3. Step 3: Cross multiply
    93,481.58x = 129,003.60 × 57,657.26
  4. Step 4: Simplify right side
    93,481.58x = 7,437,994,106.14
  5. Step 5: Solve for x
    x = 7,437,994,106.14/93,481.58
  6. Step 6: Final answer
    x = 79,566.41

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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.