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Finding the Fourth Proportional to 176,751.60, 265,127.40 and 120,764.40

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Solution

The fourth proportional to 176,751.60, 265,127.40 and 120,764.40 is: 181,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,751.60 : 265,127.40 = 120,764.40 : x
  2. Step 2: Convert to fraction form
    176,751.60/265,127.40 = 120,764.40/x
  3. Step 3: Cross multiply
    176,751.60x = 265,127.40 × 120,764.40
  4. Step 4: Simplify right side
    176,751.60x = 32,017,951,384.56
  5. Step 5: Solve for x
    x = 32,017,951,384.56/176,751.60
  6. Step 6: Final answer
    x = 181,146.60

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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.