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Finding the Fourth Proportional to 162,920.30, 244,489.80 and 96,289.70

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Solution

The fourth proportional to 162,920.30, 244,489.80 and 96,289.70 is: 144,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,920.30 : 244,489.80 = 96,289.70 : x
  2. Step 2: Convert to fraction form
    162,920.30/244,489.80 = 96,289.70/x
  3. Step 3: Cross multiply
    162,920.30x = 244,489.80 × 96,289.70
  4. Step 4: Simplify right side
    162,920.30x = 23,541,849,495.06
  5. Step 5: Solve for x
    x = 23,541,849,495.06/162,920.30
  6. Step 6: Final answer
    x = 144,499.18

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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.