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Finding the Fourth Proportional to 74,296.83, 102,502.72 and 48,816.91

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Solution

The fourth proportional to 74,296.83, 102,502.72 and 48,816.91 is: 67,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,296.83 : 102,502.72 = 48,816.91 : x
  2. Step 2: Convert to fraction form
    74,296.83/102,502.72 = 48,816.91/x
  3. Step 3: Cross multiply
    74,296.83x = 102,502.72 × 48,816.91
  4. Step 4: Simplify right side
    74,296.83x = 5,003,866,057.00
  5. Step 5: Solve for x
    x = 5,003,866,057.00/74,296.83
  6. Step 6: Final answer
    x = 67,349.66

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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.