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Finding the Fourth Proportional to 176,561.80, 264,842.70 and 157,208.20

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Solution

The fourth proportional to 176,561.80, 264,842.70 and 157,208.20 is: 235,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,561.80 : 264,842.70 = 157,208.20 : x
  2. Step 2: Convert to fraction form
    176,561.80/264,842.70 = 157,208.20/x
  3. Step 3: Cross multiply
    176,561.80x = 264,842.70 × 157,208.20
  4. Step 4: Simplify right side
    176,561.80x = 41,635,444,150.14
  5. Step 5: Solve for x
    x = 41,635,444,150.14/176,561.80
  6. Step 6: Final answer
    x = 235,812.30

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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.