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Finding the Fourth Proportional to 240,995.45, 361,493.69 and 98,814.53

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Solution

The fourth proportional to 240,995.45, 361,493.69 and 98,814.53 is: 148,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,995.45 : 361,493.69 = 98,814.53 : x
  2. Step 2: Convert to fraction form
    240,995.45/361,493.69 = 98,814.53/x
  3. Step 3: Cross multiply
    240,995.45x = 361,493.69 × 98,814.53
  4. Step 4: Simplify right side
    240,995.45x = 35,720,829,484.98
  5. Step 5: Solve for x
    x = 35,720,829,484.98/240,995.45
  6. Step 6: Final answer
    x = 148,222.01

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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.