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Finding the Fourth Proportional to 72,461.54, 99,950.91 and 52,347.97

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Solution

The fourth proportional to 72,461.54, 99,950.91 and 52,347.97 is: 72,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,461.54 : 99,950.91 = 52,347.97 : x
  2. Step 2: Convert to fraction form
    72,461.54/99,950.91 = 52,347.97/x
  3. Step 3: Cross multiply
    72,461.54x = 99,950.91 × 52,347.97
  4. Step 4: Simplify right side
    72,461.54x = 5,232,227,461.24
  5. Step 5: Solve for x
    x = 5,232,227,461.24/72,461.54
  6. Step 6: Final answer
    x = 72,206.96

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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.