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Finding the Fourth Proportional to 72,955.48, 109,450.14 and 23,040.52

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Solution

The fourth proportional to 72,955.48, 109,450.14 and 23,040.52 is: 34,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,955.48 : 109,450.14 = 23,040.52 : x
  2. Step 2: Convert to fraction form
    72,955.48/109,450.14 = 23,040.52/x
  3. Step 3: Cross multiply
    72,955.48x = 109,450.14 × 23,040.52
  4. Step 4: Simplify right side
    72,955.48x = 2,521,788,139.67
  5. Step 5: Solve for x
    x = 2,521,788,139.67/72,955.48
  6. Step 6: Final answer
    x = 34,566.12

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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.