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Finding the Fourth Proportional to 301,634.86, 452,507.88 and 99,242.34

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Solution

The fourth proportional to 301,634.86, 452,507.88 and 99,242.34 is: 148,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,634.86 : 452,507.88 = 99,242.34 : x
  2. Step 2: Convert to fraction form
    301,634.86/452,507.88 = 99,242.34/x
  3. Step 3: Cross multiply
    301,634.86x = 452,507.88 × 99,242.34
  4. Step 4: Simplify right side
    301,634.86x = 44,907,940,879.64
  5. Step 5: Solve for x
    x = 44,907,940,879.64/301,634.86
  6. Step 6: Final answer
    x = 148,881.80

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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.