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Finding the Fourth Proportional to 350,013.40, 525,103.62 and 113,356.60

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Solution

The fourth proportional to 350,013.40, 525,103.62 and 113,356.60 is: 170,061.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,013.40 : 525,103.62 = 113,356.60 : x
  2. Step 2: Convert to fraction form
    350,013.40/525,103.62 = 113,356.60/x
  3. Step 3: Cross multiply
    350,013.40x = 525,103.62 × 113,356.60
  4. Step 4: Simplify right side
    350,013.40x = 59,523,961,010.89
  5. Step 5: Solve for x
    x = 59,523,961,010.89/350,013.40
  6. Step 6: Final answer
    x = 170,061.95

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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.