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Finding the Fourth Proportional to 144,702.44, 216,790.80 and 141,553.16

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Solution

The fourth proportional to 144,702.44, 216,790.80 and 141,553.16 is: 212,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,702.44 : 216,790.80 = 141,553.16 : x
  2. Step 2: Convert to fraction form
    144,702.44/216,790.80 = 141,553.16/x
  3. Step 3: Cross multiply
    144,702.44x = 216,790.80 × 141,553.16
  4. Step 4: Simplify right side
    144,702.44x = 30,687,422,798.93
  5. Step 5: Solve for x
    x = 30,687,422,798.93/144,702.44
  6. Step 6: Final answer
    x = 212,072.60

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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.