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Finding the Fourth Proportional to 272,021.30, 408,031.95 and 183,547.70

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Solution

The fourth proportional to 272,021.30, 408,031.95 and 183,547.70 is: 275,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,021.30 : 408,031.95 = 183,547.70 : x
  2. Step 2: Convert to fraction form
    272,021.30/408,031.95 = 183,547.70/x
  3. Step 3: Cross multiply
    272,021.30x = 408,031.95 × 183,547.70
  4. Step 4: Simplify right side
    272,021.30x = 74,893,325,949.02
  5. Step 5: Solve for x
    x = 74,893,325,949.02/272,021.30
  6. Step 6: Final answer
    x = 275,321.55

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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.