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Finding the Fourth Proportional to 93,308.56, 128,766.26 and 53,024.50

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Solution

The fourth proportional to 93,308.56, 128,766.26 and 53,024.50 is: 73,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,308.56 : 128,766.26 = 53,024.50 : x
  2. Step 2: Convert to fraction form
    93,308.56/128,766.26 = 53,024.50/x
  3. Step 3: Cross multiply
    93,308.56x = 128,766.26 × 53,024.50
  4. Step 4: Simplify right side
    93,308.56x = 6,827,766,553.37
  5. Step 5: Solve for x
    x = 6,827,766,553.37/93,308.56
  6. Step 6: Final answer
    x = 73,174.06

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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.