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Finding the Fourth Proportional to 272,975,574.84, 409,463,363.34 and 91,222,752.84

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Solution

The fourth proportional to 272,975,574.84, 409,463,363.34 and 91,222,752.84 is: 136,834,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,975,574.84 : 409,463,363.34 = 91,222,752.84 : x
  2. Step 2: Convert to fraction form
    272,975,574.84/409,463,363.34 = 91,222,752.84/x
  3. Step 3: Cross multiply
    272,975,574.84x = 409,463,363.34 × 91,222,752.84
  4. Step 4: Simplify right side
    272,975,574.84x = 37,352,375,190,999,936
  5. Step 5: Solve for x
    x = 37,352,375,190,999,936/272,975,574.84
  6. Step 6: Final answer
    x = 136,834,129.62

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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.