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Finding the Fourth Proportional to 178,091.48, 266,713.16 and 103,053.49

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Solution

The fourth proportional to 178,091.48, 266,713.16 and 103,053.49 is: 154,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,091.48 : 266,713.16 = 103,053.49 : x
  2. Step 2: Convert to fraction form
    178,091.48/266,713.16 = 103,053.49/x
  3. Step 3: Cross multiply
    178,091.48x = 266,713.16 × 103,053.49
  4. Step 4: Simplify right side
    178,091.48x = 27,485,720,784.88
  5. Step 5: Solve for x
    x = 27,485,720,784.88/178,091.48
  6. Step 6: Final answer
    x = 154,334.84

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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.