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Finding the Fourth Proportional to 350,061.40, 525,092.06 and 100,743.40

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Solution

The fourth proportional to 350,061.40, 525,092.06 and 100,743.40 is: 151,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,061.40 : 525,092.06 = 100,743.40 : x
  2. Step 2: Convert to fraction form
    350,061.40/525,092.06 = 100,743.40/x
  3. Step 3: Cross multiply
    350,061.40x = 525,092.06 × 100,743.40
  4. Step 4: Simplify right side
    350,061.40x = 52,899,559,437.40
  5. Step 5: Solve for x
    x = 52,899,559,437.40/350,061.40
  6. Step 6: Final answer
    x = 151,115.09

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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.