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Finding the Fourth Proportional to 174,117.60, 260,787.60 and 134,362.80

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Solution

The fourth proportional to 174,117.60, 260,787.60 and 134,362.80 is: 201,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,117.60 : 260,787.60 = 134,362.80 : x
  2. Step 2: Convert to fraction form
    174,117.60/260,787.60 = 134,362.80/x
  3. Step 3: Cross multiply
    174,117.60x = 260,787.60 × 134,362.80
  4. Step 4: Simplify right side
    174,117.60x = 35,040,152,141.28
  5. Step 5: Solve for x
    x = 35,040,152,141.28/174,117.60
  6. Step 6: Final answer
    x = 201,244.17

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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.