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Finding the Fourth Proportional to 159,294.96, 238,981.32 and 48,486.96

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Solution

The fourth proportional to 159,294.96, 238,981.32 and 48,486.96 is: 72,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,294.96 : 238,981.32 = 48,486.96 : x
  2. Step 2: Convert to fraction form
    159,294.96/238,981.32 = 48,486.96/x
  3. Step 3: Cross multiply
    159,294.96x = 238,981.32 × 48,486.96
  4. Step 4: Simplify right side
    159,294.96x = 11,587,477,703.59
  5. Step 5: Solve for x
    x = 11,587,477,703.59/159,294.96
  6. Step 6: Final answer
    x = 72,742.27

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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.