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Finding the Fourth Proportional to 176,644.80, 265,080.60 and 97,815.60

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Solution

The fourth proportional to 176,644.80, 265,080.60 and 97,815.60 is: 146,786.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,644.80 : 265,080.60 = 97,815.60 : x
  2. Step 2: Convert to fraction form
    176,644.80/265,080.60 = 97,815.60/x
  3. Step 3: Cross multiply
    176,644.80x = 265,080.60 × 97,815.60
  4. Step 4: Simplify right side
    176,644.80x = 25,929,017,937.36
  5. Step 5: Solve for x
    x = 25,929,017,937.36/176,644.80
  6. Step 6: Final answer
    x = 146,786.19

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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.