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Finding the Fourth Proportional to 74,699.87, 112,050.14 and 22,109.81

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Solution

The fourth proportional to 74,699.87, 112,050.14 and 22,109.81 is: 33,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,699.87 : 112,050.14 = 22,109.81 : x
  2. Step 2: Convert to fraction form
    74,699.87/112,050.14 = 22,109.81/x
  3. Step 3: Cross multiply
    74,699.87x = 112,050.14 × 22,109.81
  4. Step 4: Simplify right side
    74,699.87x = 2,477,406,635.07
  5. Step 5: Solve for x
    x = 2,477,406,635.07/74,699.87
  6. Step 6: Final answer
    x = 33,164.81

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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.