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Finding the Fourth Proportional to 349,992.20, 525,053.10 and 113,342.60

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Solution

The fourth proportional to 349,992.20, 525,053.10 and 113,342.60 is: 170,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,992.20 : 525,053.10 = 113,342.60 : x
  2. Step 2: Convert to fraction form
    349,992.20/525,053.10 = 113,342.60/x
  3. Step 3: Cross multiply
    349,992.20x = 525,053.10 × 113,342.60
  4. Step 4: Simplify right side
    349,992.20x = 59,510,883,492.06
  5. Step 5: Solve for x
    x = 59,510,883,492.06/349,992.20
  6. Step 6: Final answer
    x = 170,034.89

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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.