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Finding the Fourth Proportional to 121,029.66, 181,564.02 and 50,929.02

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Solution

The fourth proportional to 121,029.66, 181,564.02 and 50,929.02 is: 76,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,029.66 : 181,564.02 = 50,929.02 : x
  2. Step 2: Convert to fraction form
    121,029.66/181,564.02 = 50,929.02/x
  3. Step 3: Cross multiply
    121,029.66x = 181,564.02 × 50,929.02
  4. Step 4: Simplify right side
    121,029.66x = 9,246,877,605.86
  5. Step 5: Solve for x
    x = 9,246,877,605.86/121,029.66
  6. Step 6: Final answer
    x = 76,401.75

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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.