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Finding the Fourth Proportional to 176,859.96, 265,341.78 and 71,754.36

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Solution

The fourth proportional to 176,859.96, 265,341.78 and 71,754.36 is: 107,652.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,859.96 : 265,341.78 = 71,754.36 : x
  2. Step 2: Convert to fraction form
    176,859.96/265,341.78 = 71,754.36/x
  3. Step 3: Cross multiply
    176,859.96x = 265,341.78 × 71,754.36
  4. Step 4: Simplify right side
    176,859.96x = 19,039,429,605.16
  5. Step 5: Solve for x
    x = 19,039,429,605.16/176,859.96
  6. Step 6: Final answer
    x = 107,652.57

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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.