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Finding the Fourth Proportional to 176,707.80, 265,060.47 and 71,525.25

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Solution

The fourth proportional to 176,707.80, 265,060.47 and 71,525.25 is: 107,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,707.80 : 265,060.47 = 71,525.25 : x
  2. Step 2: Convert to fraction form
    176,707.80/265,060.47 = 71,525.25/x
  3. Step 3: Cross multiply
    176,707.80x = 265,060.47 × 71,525.25
  4. Step 4: Simplify right side
    176,707.80x = 18,958,516,381.87
  5. Step 5: Solve for x
    x = 18,958,516,381.87/176,707.80
  6. Step 6: Final answer
    x = 107,287.38

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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.