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Finding the Fourth Proportional to 272,870.66, 409,371.53 and 104,388.23

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Solution

The fourth proportional to 272,870.66, 409,371.53 and 104,388.23 is: 156,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,870.66 : 409,371.53 = 104,388.23 : x
  2. Step 2: Convert to fraction form
    272,870.66/409,371.53 = 104,388.23/x
  3. Step 3: Cross multiply
    272,870.66x = 409,371.53 × 104,388.23
  4. Step 4: Simplify right side
    272,870.66x = 42,733,566,860.29
  5. Step 5: Solve for x
    x = 42,733,566,860.29/272,870.66
  6. Step 6: Final answer
    x = 156,607.41

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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.