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Finding the Fourth Proportional to 93,879.61, 129,553.02 and 50,858.08

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Solution

The fourth proportional to 93,879.61, 129,553.02 and 50,858.08 is: 70,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,879.61 : 129,553.02 = 50,858.08 : x
  2. Step 2: Convert to fraction form
    93,879.61/129,553.02 = 50,858.08/x
  3. Step 3: Cross multiply
    93,879.61x = 129,553.02 × 50,858.08
  4. Step 4: Simplify right side
    93,879.61x = 6,588,817,531.52
  5. Step 5: Solve for x
    x = 6,588,817,531.52/93,879.61
  6. Step 6: Final answer
    x = 70,183.69

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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.