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Finding the Fourth Proportional to 350,352.38, 525,417.83 and 125,707.79

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Solution

The fourth proportional to 350,352.38, 525,417.83 and 125,707.79 is: 188,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,352.38 : 525,417.83 = 125,707.79 : x
  2. Step 2: Convert to fraction form
    350,352.38/525,417.83 = 125,707.79/x
  3. Step 3: Cross multiply
    350,352.38x = 525,417.83 × 125,707.79
  4. Step 4: Simplify right side
    350,352.38x = 66,049,114,235.90
  5. Step 5: Solve for x
    x = 66,049,114,235.90/350,352.38
  6. Step 6: Final answer
    x = 188,521.95

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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.