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Finding the Fourth Proportional to 119,060.64, 178,585.44 and 52,482.88

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Solution

The fourth proportional to 119,060.64, 178,585.44 and 52,482.88 is: 78,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,060.64 : 178,585.44 = 52,482.88 : x
  2. Step 2: Convert to fraction form
    119,060.64/178,585.44 = 52,482.88/x
  3. Step 3: Cross multiply
    119,060.64x = 178,585.44 × 52,482.88
  4. Step 4: Simplify right side
    119,060.64x = 9,372,678,217.27
  5. Step 5: Solve for x
    x = 9,372,678,217.27/119,060.64
  6. Step 6: Final answer
    x = 78,721.89

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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.