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Finding the Fourth Proportional to 144,533.72, 216,821.01 and 44,702.66

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Solution

The fourth proportional to 144,533.72, 216,821.01 and 44,702.66 is: 67,060.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,533.72 : 216,821.01 = 44,702.66 : x
  2. Step 2: Convert to fraction form
    144,533.72/216,821.01 = 44,702.66/x
  3. Step 3: Cross multiply
    144,533.72x = 216,821.01 × 44,702.66
  4. Step 4: Simplify right side
    144,533.72x = 9,692,475,890.89
  5. Step 5: Solve for x
    x = 9,692,475,890.89/144,533.72
  6. Step 6: Final answer
    x = 67,060.31

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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.