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Finding the Fourth Proportional to 153,335.34, 229,930.25 and 53,483.40

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Solution

The fourth proportional to 153,335.34, 229,930.25 and 53,483.40 is: 80,199.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,335.34 : 229,930.25 = 53,483.40 : x
  2. Step 2: Convert to fraction form
    153,335.34/229,930.25 = 53,483.40/x
  3. Step 3: Cross multiply
    153,335.34x = 229,930.25 × 53,483.40
  4. Step 4: Simplify right side
    153,335.34x = 12,297,451,265.43
  5. Step 5: Solve for x
    x = 12,297,451,265.43/153,335.34
  6. Step 6: Final answer
    x = 80,199.72

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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.