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Finding the Fourth Proportional to 353,575.92, 530,282.88 and 100,851.60

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Solution

The fourth proportional to 353,575.92, 530,282.88 and 100,851.60 is: 151,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,575.92 : 530,282.88 = 100,851.60 : x
  2. Step 2: Convert to fraction form
    353,575.92/530,282.88 = 100,851.60/x
  3. Step 3: Cross multiply
    353,575.92x = 530,282.88 × 100,851.60
  4. Step 4: Simplify right side
    353,575.92x = 53,479,876,900.61
  5. Step 5: Solve for x
    x = 53,479,876,900.61/353,575.92
  6. Step 6: Final answer
    x = 151,254.30

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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.