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Finding the Fourth Proportional to 350,833.48, 526,315.12 and 111,007.74

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Solution

The fourth proportional to 350,833.48, 526,315.12 and 111,007.74 is: 166,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,833.48 : 526,315.12 = 111,007.74 : x
  2. Step 2: Convert to fraction form
    350,833.48/526,315.12 = 111,007.74/x
  3. Step 3: Cross multiply
    350,833.48x = 526,315.12 × 111,007.74
  4. Step 4: Simplify right side
    350,833.48x = 58,425,051,999.03
  5. Step 5: Solve for x
    x = 58,425,051,999.03/350,833.48
  6. Step 6: Final answer
    x = 166,532.15

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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.