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Finding the Fourth Proportional to 72,950.13, 109,114.15 and 44,801.01

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Solution

The fourth proportional to 72,950.13, 109,114.15 and 44,801.01 is: 67,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,950.13 : 109,114.15 = 44,801.01 : x
  2. Step 2: Convert to fraction form
    72,950.13/109,114.15 = 44,801.01/x
  3. Step 3: Cross multiply
    72,950.13x = 109,114.15 × 44,801.01
  4. Step 4: Simplify right side
    72,950.13x = 4,888,424,125.29
  5. Step 5: Solve for x
    x = 4,888,424,125.29/72,950.13
  6. Step 6: Final answer
    x = 67,010.49

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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.