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Finding the Fourth Proportional to 301,632.86, 452,504.88 and 99,240.34

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Solution

The fourth proportional to 301,632.86, 452,504.88 and 99,240.34 is: 148,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,632.86 : 452,504.88 = 99,240.34 : x
  2. Step 2: Convert to fraction form
    301,632.86/452,504.88 = 99,240.34/x
  3. Step 3: Cross multiply
    301,632.86x = 452,504.88 × 99,240.34
  4. Step 4: Simplify right side
    301,632.86x = 44,906,738,142.86
  5. Step 5: Solve for x
    x = 44,906,738,142.86/301,632.86
  6. Step 6: Final answer
    x = 148,878.80

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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.