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Finding the Fourth Proportional to 178,374.22, 246,154.55 and 97,801.56

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Solution

The fourth proportional to 178,374.22, 246,154.55 and 97,801.56 is: 134,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,374.22 : 246,154.55 = 97,801.56 : x
  2. Step 2: Convert to fraction form
    178,374.22/246,154.55 = 97,801.56/x
  3. Step 3: Cross multiply
    178,374.22x = 246,154.55 × 97,801.56
  4. Step 4: Simplify right side
    178,374.22x = 24,074,298,502.09
  5. Step 5: Solve for x
    x = 24,074,298,502.09/178,374.22
  6. Step 6: Final answer
    x = 134,965.12

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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.