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Finding the Fourth Proportional to 341,339.13, 512,008.70 and 92,021.13

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Solution

The fourth proportional to 341,339.13, 512,008.70 and 92,021.13 is: 138,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,339.13 : 512,008.70 = 92,021.13 : x
  2. Step 2: Convert to fraction form
    341,339.13/512,008.70 = 92,021.13/x
  3. Step 3: Cross multiply
    341,339.13x = 512,008.70 × 92,021.13
  4. Step 4: Simplify right side
    341,339.13x = 47,115,619,143.83
  5. Step 5: Solve for x
    x = 47,115,619,143.83/341,339.13
  6. Step 6: Final answer
    x = 138,031.70

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1.5x scale

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.