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Finding the Fourth Proportional to 159,256.38, 238,919.16 and 48,445.50

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Solution

The fourth proportional to 159,256.38, 238,919.16 and 48,445.50 is: 72,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,256.38 : 238,919.16 = 48,445.50 : x
  2. Step 2: Convert to fraction form
    159,256.38/238,919.16 = 48,445.50/x
  3. Step 3: Cross multiply
    159,256.38x = 238,919.16 × 48,445.50
  4. Step 4: Simplify right side
    159,256.38x = 11,574,558,165.78
  5. Step 5: Solve for x
    x = 11,574,558,165.78/159,256.38
  6. Step 6: Final answer
    x = 72,678.77

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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.