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Finding the Fourth Proportional to 350,031.55, 525,156.28 and 125,393.91

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Solution

The fourth proportional to 350,031.55, 525,156.28 and 125,393.91 is: 188,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,031.55 : 525,156.28 = 125,393.91 : x
  2. Step 2: Convert to fraction form
    350,031.55/525,156.28 = 125,393.91/x
  3. Step 3: Cross multiply
    350,031.55x = 525,156.28 × 125,393.91
  4. Step 4: Simplify right side
    350,031.55x = 65,851,398,996.77
  5. Step 5: Solve for x
    x = 65,851,398,996.77/350,031.55
  6. Step 6: Final answer
    x = 188,129.90

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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.