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Finding the Fourth Proportional to 162,650.63, 224,457.84 and 91,030.65

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Solution

The fourth proportional to 162,650.63, 224,457.84 and 91,030.65 is: 125,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,650.63 : 224,457.84 = 91,030.65 : x
  2. Step 2: Convert to fraction form
    162,650.63/224,457.84 = 91,030.65/x
  3. Step 3: Cross multiply
    162,650.63x = 224,457.84 × 91,030.65
  4. Step 4: Simplify right side
    162,650.63x = 20,432,543,072.80
  5. Step 5: Solve for x
    x = 20,432,543,072.80/162,650.63
  6. Step 6: Final answer
    x = 125,622.28

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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.