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Finding the Fourth Proportional to 93,104.99, 128,462.48 and 54,866.10

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Solution

The fourth proportional to 93,104.99, 128,462.48 and 54,866.10 is: 75,702.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,104.99 : 128,462.48 = 54,866.10 : x
  2. Step 2: Convert to fraction form
    93,104.99/128,462.48 = 54,866.10/x
  3. Step 3: Cross multiply
    93,104.99x = 128,462.48 × 54,866.10
  4. Step 4: Simplify right side
    93,104.99x = 7,048,235,995.70
  5. Step 5: Solve for x
    x = 7,048,235,995.70/93,104.99
  6. Step 6: Final answer
    x = 75,702.02

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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.