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Finding the Fourth Proportional to 134,787.60, 202,181.40 and 119,624.40

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Solution

The fourth proportional to 134,787.60, 202,181.40 and 119,624.40 is: 179,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,787.60 : 202,181.40 = 119,624.40 : x
  2. Step 2: Convert to fraction form
    134,787.60/202,181.40 = 119,624.40/x
  3. Step 3: Cross multiply
    134,787.60x = 202,181.40 × 119,624.40
  4. Step 4: Simplify right side
    134,787.60x = 24,185,828,666.16
  5. Step 5: Solve for x
    x = 24,185,828,666.16/134,787.60
  6. Step 6: Final answer
    x = 179,436.60

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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.