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Finding the Fourth Proportional to 236,441.61, 353,830.28 and 147,736.89

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Solution

The fourth proportional to 236,441.61, 353,830.28 and 147,736.89 is: 221,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,441.61 : 353,830.28 = 147,736.89 : x
  2. Step 2: Convert to fraction form
    236,441.61/353,830.28 = 147,736.89/x
  3. Step 3: Cross multiply
    236,441.61x = 353,830.28 × 147,736.89
  4. Step 4: Simplify right side
    236,441.61x = 52,273,784,416.34
  5. Step 5: Solve for x
    x = 52,273,784,416.34/236,441.61
  6. Step 6: Final answer
    x = 221,085.39

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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.