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Finding the Fourth Proportional to 146,468.40, 219,702.60 and 93,721.20

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Solution

The fourth proportional to 146,468.40, 219,702.60 and 93,721.20 is: 140,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,468.40 : 219,702.60 = 93,721.20 : x
  2. Step 2: Convert to fraction form
    146,468.40/219,702.60 = 93,721.20/x
  3. Step 3: Cross multiply
    146,468.40x = 219,702.60 × 93,721.20
  4. Step 4: Simplify right side
    146,468.40x = 20,590,791,315.12
  5. Step 5: Solve for x
    x = 20,590,791,315.12/146,468.40
  6. Step 6: Final answer
    x = 140,581.80

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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.