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Finding the Fourth Proportional to 153,455.88, 229,945.08 and 58,634.34

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Solution

The fourth proportional to 153,455.88, 229,945.08 and 58,634.34 is: 87,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,455.88 : 229,945.08 = 58,634.34 : x
  2. Step 2: Convert to fraction form
    153,455.88/229,945.08 = 58,634.34/x
  3. Step 3: Cross multiply
    153,455.88x = 229,945.08 × 58,634.34
  4. Step 4: Simplify right side
    153,455.88x = 13,482,678,002.05
  5. Step 5: Solve for x
    x = 13,482,678,002.05/153,455.88
  6. Step 6: Final answer
    x = 87,860.29

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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.