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Finding the Fourth Proportional to 178,254.72, 245,990.70 and 97,682.04

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Solution

The fourth proportional to 178,254.72, 245,990.70 and 97,682.04 is: 134,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,254.72 : 245,990.70 = 97,682.04 : x
  2. Step 2: Convert to fraction form
    178,254.72/245,990.70 = 97,682.04/x
  3. Step 3: Cross multiply
    178,254.72x = 245,990.70 × 97,682.04
  4. Step 4: Simplify right side
    178,254.72x = 24,028,873,397.03
  5. Step 5: Solve for x
    x = 24,028,873,397.03/178,254.72
  6. Step 6: Final answer
    x = 134,800.77

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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.