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Finding the Fourth Proportional to 119,236.80, 179,200.80 and 104,030.40

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Solution

The fourth proportional to 119,236.80, 179,200.80 and 104,030.40 is: 156,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,236.80 : 179,200.80 = 104,030.40 : x
  2. Step 2: Convert to fraction form
    119,236.80/179,200.80 = 104,030.40/x
  3. Step 3: Cross multiply
    119,236.80x = 179,200.80 × 104,030.40
  4. Step 4: Simplify right side
    119,236.80x = 18,642,330,904.32
  5. Step 5: Solve for x
    x = 18,642,330,904.32/119,236.80
  6. Step 6: Final answer
    x = 156,347.13

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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.