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Finding the Fourth Proportional to 350,031.94, 525,047.92 and 100,713.94

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Solution

The fourth proportional to 350,031.94, 525,047.92 and 100,713.94 is: 151,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,031.94 : 525,047.92 = 100,713.94 : x
  2. Step 2: Convert to fraction form
    350,031.94/525,047.92 = 100,713.94/x
  3. Step 3: Cross multiply
    350,031.94x = 525,047.92 × 100,713.94
  4. Step 4: Simplify right side
    350,031.94x = 52,879,643,147.60
  5. Step 5: Solve for x
    x = 52,879,643,147.60/350,031.94
  6. Step 6: Final answer
    x = 151,070.91

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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.