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Finding the Fourth Proportional to 178,473.72, 246,259.62 and 102,017.06

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Solution

The fourth proportional to 178,473.72, 246,259.62 and 102,017.06 is: 140,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,473.72 : 246,259.62 = 102,017.06 : x
  2. Step 2: Convert to fraction form
    178,473.72/246,259.62 = 102,017.06/x
  3. Step 3: Cross multiply
    178,473.72x = 246,259.62 × 102,017.06
  4. Step 4: Simplify right side
    178,473.72x = 25,122,682,429.12
  5. Step 5: Solve for x
    x = 25,122,682,429.12/178,473.72
  6. Step 6: Final answer
    x = 140,764.04

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1.5x scale

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.