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Finding the Fourth Proportional to 52,124.92, 78,187.22 and 18,845.00

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Solution

The fourth proportional to 52,124.92, 78,187.22 and 18,845.00 is: 28,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,124.92 : 78,187.22 = 18,845.00 : x
  2. Step 2: Convert to fraction form
    52,124.92/78,187.22 = 18,845.00/x
  3. Step 3: Cross multiply
    52,124.92x = 78,187.22 × 18,845.00
  4. Step 4: Simplify right side
    52,124.92x = 1,473,438,585.42
  5. Step 5: Solve for x
    x = 1,473,438,585.42/52,124.92
  6. Step 6: Final answer
    x = 28,267.45

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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.