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Finding the Fourth Proportional to 301,921.86, 452,882.49 and 77,281.93

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Solution

The fourth proportional to 301,921.86, 452,882.49 and 77,281.93 is: 115,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,921.86 : 452,882.49 = 77,281.93 : x
  2. Step 2: Convert to fraction form
    301,921.86/452,882.49 = 77,281.93/x
  3. Step 3: Cross multiply
    301,921.86x = 452,882.49 × 77,281.93
  4. Step 4: Simplify right side
    301,921.86x = 34,999,631,758.20
  5. Step 5: Solve for x
    x = 34,999,631,758.20/301,921.86
  6. Step 6: Final answer
    x = 115,922.81

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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.