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Finding the Fourth Proportional to 152,873.40, 229,310.10 and 40,553.40

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Solution

The fourth proportional to 152,873.40, 229,310.10 and 40,553.40 is: 60,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,873.40 : 229,310.10 = 40,553.40 : x
  2. Step 2: Convert to fraction form
    152,873.40/229,310.10 = 40,553.40/x
  3. Step 3: Cross multiply
    152,873.40x = 229,310.10 × 40,553.40
  4. Step 4: Simplify right side
    152,873.40x = 9,299,304,209.34
  5. Step 5: Solve for x
    x = 9,299,304,209.34/152,873.40
  6. Step 6: Final answer
    x = 60,830.10

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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.