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Finding the Fourth Proportional to 93,575.77, 140,458.27 and 82,970.03

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Solution

The fourth proportional to 93,575.77, 140,458.27 and 82,970.03 is: 124,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,575.77 : 140,458.27 = 82,970.03 : x
  2. Step 2: Convert to fraction form
    93,575.77/140,458.27 = 82,970.03/x
  3. Step 3: Cross multiply
    93,575.77x = 140,458.27 × 82,970.03
  4. Step 4: Simplify right side
    93,575.77x = 11,653,827,019.37
  5. Step 5: Solve for x
    x = 11,653,827,019.37/93,575.77
  6. Step 6: Final answer
    x = 124,538.94

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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.