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Finding the Fourth Proportional to 178,595.70, 246,445.74 and 105,986.04

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Solution

The fourth proportional to 178,595.70, 246,445.74 and 105,986.04 is: 146,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,595.70 : 246,445.74 = 105,986.04 : x
  2. Step 2: Convert to fraction form
    178,595.70/246,445.74 = 105,986.04/x
  3. Step 3: Cross multiply
    178,595.70x = 246,445.74 × 105,986.04
  4. Step 4: Simplify right side
    178,595.70x = 26,119,808,057.47
  5. Step 5: Solve for x
    x = 26,119,808,057.47/178,595.70
  6. Step 6: Final answer
    x = 146,251.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.