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Finding the Fourth Proportional to 240,538.16, 360,860.52 and 72,051.68

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Solution

The fourth proportional to 240,538.16, 360,860.52 and 72,051.68 is: 108,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,538.16 : 360,860.52 = 72,051.68 : x
  2. Step 2: Convert to fraction form
    240,538.16/360,860.52 = 72,051.68/x
  3. Step 3: Cross multiply
    240,538.16x = 360,860.52 × 72,051.68
  4. Step 4: Simplify right side
    240,538.16x = 26,000,606,711.67
  5. Step 5: Solve for x
    x = 26,000,606,711.67/240,538.16
  6. Step 6: Final answer
    x = 108,093.48

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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.