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Finding the Fourth Proportional to 272,028.76, 375,401.76 and 151,181.38

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Solution

The fourth proportional to 272,028.76, 375,401.76 and 151,181.38 is: 208,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,028.76 : 375,401.76 = 151,181.38 : x
  2. Step 2: Convert to fraction form
    272,028.76/375,401.76 = 151,181.38/x
  3. Step 3: Cross multiply
    272,028.76x = 375,401.76 × 151,181.38
  4. Step 4: Simplify right side
    272,028.76x = 56,753,756,131.23
  5. Step 5: Solve for x
    x = 56,753,756,131.23/272,028.76
  6. Step 6: Final answer
    x = 208,631.46

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1.5x scale

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.