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Finding the Fourth Proportional to 146,553.60, 219,830.40 and 99,897.60

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Solution

The fourth proportional to 146,553.60, 219,830.40 and 99,897.60 is: 149,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,553.60 : 219,830.40 = 99,897.60 : x
  2. Step 2: Convert to fraction form
    146,553.60/219,830.40 = 99,897.60/x
  3. Step 3: Cross multiply
    146,553.60x = 219,830.40 × 99,897.60
  4. Step 4: Simplify right side
    146,553.60x = 21,960,529,367.04
  5. Step 5: Solve for x
    x = 21,960,529,367.04/146,553.60
  6. Step 6: Final answer
    x = 149,846.40

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1.5x scale

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.