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Finding the Fourth Proportional to 74,295.83, 102,501.34 and 48,815.91

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Solution

The fourth proportional to 74,295.83, 102,501.34 and 48,815.91 is: 67,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,295.83 : 102,501.34 = 48,815.91 : x
  2. Step 2: Convert to fraction form
    74,295.83/102,501.34 = 48,815.91/x
  3. Step 3: Cross multiply
    74,295.83x = 102,501.34 × 48,815.91
  4. Step 4: Simplify right side
    74,295.83x = 5,003,696,066.28
  5. Step 5: Solve for x
    x = 5,003,696,066.28/74,295.83
  6. Step 6: Final answer
    x = 67,348.27

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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.