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Finding the Fourth Proportional to 350,857.71, 526,206.08 and 98,156.03

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Solution

The fourth proportional to 350,857.71, 526,206.08 and 98,156.03 is: 147,211.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,857.71 : 526,206.08 = 98,156.03 : x
  2. Step 2: Convert to fraction form
    350,857.71/526,206.08 = 98,156.03/x
  3. Step 3: Cross multiply
    350,857.71x = 526,206.08 × 98,156.03
  4. Step 4: Simplify right side
    350,857.71x = 51,650,296,652.85
  5. Step 5: Solve for x
    x = 51,650,296,652.85/350,857.71
  6. Step 6: Final answer
    x = 147,211.52

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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.