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Finding the Fourth Proportional to 134,802.80, 202,074.60 and 104,800.40

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Solution

The fourth proportional to 134,802.80, 202,074.60 and 104,800.40 is: 157,099.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,802.80 : 202,074.60 = 104,800.40 : x
  2. Step 2: Convert to fraction form
    134,802.80/202,074.60 = 104,800.40/x
  3. Step 3: Cross multiply
    134,802.80x = 202,074.60 × 104,800.40
  4. Step 4: Simplify right side
    134,802.80x = 21,177,498,909.84
  5. Step 5: Solve for x
    x = 21,177,498,909.84/134,802.80
  6. Step 6: Final answer
    x = 157,099.84

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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.