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Finding the Fourth Proportional to 341,668.72, 512,552.08 and 105,031.26

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Solution

The fourth proportional to 341,668.72, 512,552.08 and 105,031.26 is: 157,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,668.72 : 512,552.08 = 105,031.26 : x
  2. Step 2: Convert to fraction form
    341,668.72/512,552.08 = 105,031.26/x
  3. Step 3: Cross multiply
    341,668.72x = 512,552.08 × 105,031.26
  4. Step 4: Simplify right side
    341,668.72x = 53,833,990,778.02
  5. Step 5: Solve for x
    x = 53,833,990,778.02/341,668.72
  6. Step 6: Final answer
    x = 157,561.95

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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.