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Finding the Fourth Proportional to 73,911, 110,873.77 and 19,875.01

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Solution

The fourth proportional to 73,911, 110,873.77 and 19,875.01 is: 29,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,911 : 110,873.77 = 19,875.01 : x
  2. Step 2: Convert to fraction form
    73,911/110,873.77 = 19,875.01/x
  3. Step 3: Cross multiply
    73,911x = 110,873.77 × 19,875.01
  4. Step 4: Simplify right side
    73,911x = 2,203,617,287.49
  5. Step 5: Solve for x
    x = 2,203,617,287.49/73,911
  6. Step 6: Final answer
    x = 29,814.47

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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.