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Finding the Fourth Proportional to 119,165.76, 178,787.52 and 56,828.16

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Solution

The fourth proportional to 119,165.76, 178,787.52 and 56,828.16 is: 85,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,165.76 : 178,787.52 = 56,828.16 : x
  2. Step 2: Convert to fraction form
    119,165.76/178,787.52 = 56,828.16/x
  3. Step 3: Cross multiply
    119,165.76x = 178,787.52 × 56,828.16
  4. Step 4: Simplify right side
    119,165.76x = 10,160,165,792.56
  5. Step 5: Solve for x
    x = 10,160,165,792.56/119,165.76
  6. Step 6: Final answer
    x = 85,260.78

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1.5x scale

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.