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Finding the Fourth Proportional to 358,103.88, 536,434.95 and 165,707.13

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Solution

The fourth proportional to 358,103.88, 536,434.95 and 165,707.13 is: 248,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,103.88 : 536,434.95 = 165,707.13 : x
  2. Step 2: Convert to fraction form
    358,103.88/536,434.95 = 165,707.13/x
  3. Step 3: Cross multiply
    358,103.88x = 536,434.95 × 165,707.13
  4. Step 4: Simplify right side
    358,103.88x = 88,891,095,996.19
  5. Step 5: Solve for x
    x = 88,891,095,996.19/358,103.88
  6. Step 6: Final answer
    x = 248,227.12

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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.