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Finding the Fourth Proportional to 168,955.65, 253,004.88 and 101,446

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Solution

The fourth proportional to 168,955.65, 253,004.88 and 101,446 is: 151,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,955.65 : 253,004.88 = 101,446 : x
  2. Step 2: Convert to fraction form
    168,955.65/253,004.88 = 101,446/x
  3. Step 3: Cross multiply
    168,955.65x = 253,004.88 × 101,446
  4. Step 4: Simplify right side
    168,955.65x = 25,666,333,056.48
  5. Step 5: Solve for x
    x = 25,666,333,056.48/168,955.65
  6. Step 6: Final answer
    x = 151,911.66

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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.