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Finding the Fourth Proportional to 176,991.40, 265,620.75 and 120,698.02

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Solution

The fourth proportional to 176,991.40, 265,620.75 and 120,698.02 is: 181,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,991.40 : 265,620.75 = 120,698.02 : x
  2. Step 2: Convert to fraction form
    176,991.40/265,620.75 = 120,698.02/x
  3. Step 3: Cross multiply
    176,991.40x = 265,620.75 × 120,698.02
  4. Step 4: Simplify right side
    176,991.40x = 32,059,898,595.92
  5. Step 5: Solve for x
    x = 32,059,898,595.92/176,991.40
  6. Step 6: Final answer
    x = 181,138.17

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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.