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Finding the Fourth Proportional to 350,140.38, 525,166.80 and 97,439.82

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Solution

The fourth proportional to 350,140.38, 525,166.80 and 97,439.82 is: 146,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,140.38 : 525,166.80 = 97,439.82 : x
  2. Step 2: Convert to fraction form
    350,140.38/525,166.80 = 97,439.82/x
  3. Step 3: Cross multiply
    350,140.38x = 525,166.80 × 97,439.82
  4. Step 4: Simplify right side
    350,140.38x = 51,172,158,461.98
  5. Step 5: Solve for x
    x = 51,172,158,461.98/350,140.38
  6. Step 6: Final answer
    x = 146,147.55

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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.