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Finding the Fourth Proportional to 144,360.48, 216,483.36 and 55,564.80

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Solution

The fourth proportional to 144,360.48, 216,483.36 and 55,564.80 is: 83,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,360.48 : 216,483.36 = 55,564.80 : x
  2. Step 2: Convert to fraction form
    144,360.48/216,483.36 = 55,564.80/x
  3. Step 3: Cross multiply
    144,360.48x = 216,483.36 × 55,564.80
  4. Step 4: Simplify right side
    144,360.48x = 12,028,854,601.73
  5. Step 5: Solve for x
    x = 12,028,854,601.73/144,360.48
  6. Step 6: Final answer
    x = 83,325.12

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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.