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Finding the Fourth Proportional to 350,313.96, 525,670.91 and 137,099.28

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Solution

The fourth proportional to 350,313.96, 525,670.91 and 137,099.28 is: 205,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,313.96 : 525,670.91 = 137,099.28 : x
  2. Step 2: Convert to fraction form
    350,313.96/525,670.91 = 137,099.28/x
  3. Step 3: Cross multiply
    350,313.96x = 525,670.91 × 137,099.28
  4. Step 4: Simplify right side
    350,313.96x = 72,069,102,592.45
  5. Step 5: Solve for x
    x = 72,069,102,592.45/350,313.96
  6. Step 6: Final answer
    x = 205,727.18

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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.