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Finding the Fourth Proportional to 272,651.65, 409,164.30 and 95,158.67

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Solution

The fourth proportional to 272,651.65, 409,164.30 and 95,158.67 is: 142,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,651.65 : 409,164.30 = 95,158.67 : x
  2. Step 2: Convert to fraction form
    272,651.65/409,164.30 = 95,158.67/x
  3. Step 3: Cross multiply
    272,651.65x = 409,164.30 × 95,158.67
  4. Step 4: Simplify right side
    272,651.65x = 38,935,528,821.29
  5. Step 5: Solve for x
    x = 38,935,528,821.29/272,651.65
  6. Step 6: Final answer
    x = 142,803.20

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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.