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Finding the Fourth Proportional to 144,614.70, 216,954.45 and 55,860.30

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Solution

The fourth proportional to 144,614.70, 216,954.45 and 55,860.30 is: 83,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,614.70 : 216,954.45 = 55,860.30 : x
  2. Step 2: Convert to fraction form
    144,614.70/216,954.45 = 55,860.30/x
  3. Step 3: Cross multiply
    144,614.70x = 216,954.45 × 55,860.30
  4. Step 4: Simplify right side
    144,614.70x = 12,119,140,663.34
  5. Step 5: Solve for x
    x = 12,119,140,663.34/144,614.70
  6. Step 6: Final answer
    x = 83,802.97

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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.