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Finding the Fourth Proportional to 227,271.53, 313,636.90 and 125,300.95

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Solution

The fourth proportional to 227,271.53, 313,636.90 and 125,300.95 is: 172,916.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,271.53 : 313,636.90 = 125,300.95 : x
  2. Step 2: Convert to fraction form
    227,271.53/313,636.90 = 125,300.95/x
  3. Step 3: Cross multiply
    227,271.53x = 313,636.90 × 125,300.95
  4. Step 4: Simplify right side
    227,271.53x = 39,299,001,897.16
  5. Step 5: Solve for x
    x = 39,299,001,897.16/227,271.53
  6. Step 6: Final answer
    x = 172,916.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.