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Finding the Fourth Proportional to 144,552.54, 216,790.50 and 65,649.21

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Solution

The fourth proportional to 144,552.54, 216,790.50 and 65,649.21 is: 98,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,552.54 : 216,790.50 = 65,649.21 : x
  2. Step 2: Convert to fraction form
    144,552.54/216,790.50 = 65,649.21/x
  3. Step 3: Cross multiply
    144,552.54x = 216,790.50 × 65,649.21
  4. Step 4: Simplify right side
    144,552.54x = 14,232,125,060.51
  5. Step 5: Solve for x
    x = 14,232,125,060.51/144,552.54
  6. Step 6: Final answer
    x = 98,456.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.