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Finding the Fourth Proportional to 355,159.76, 532,737.72 and 144,796.88

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Solution

The fourth proportional to 355,159.76, 532,737.72 and 144,796.88 is: 217,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,159.76 : 532,737.72 = 144,796.88 : x
  2. Step 2: Convert to fraction form
    355,159.76/532,737.72 = 144,796.88/x
  3. Step 3: Cross multiply
    355,159.76x = 532,737.72 × 144,796.88
  4. Step 4: Simplify right side
    355,159.76x = 77,138,759,714.31
  5. Step 5: Solve for x
    x = 77,138,759,714.31/355,159.76
  6. Step 6: Final answer
    x = 217,194.54

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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.