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Finding the Fourth Proportional to 159,079.51, 238,792.17 and 64,374.90

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Solution

The fourth proportional to 159,079.51, 238,792.17 and 64,374.90 is: 96,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,079.51 : 238,792.17 = 64,374.90 : x
  2. Step 2: Convert to fraction form
    159,079.51/238,792.17 = 64,374.90/x
  3. Step 3: Cross multiply
    159,079.51x = 238,792.17 × 64,374.90
  4. Step 4: Simplify right side
    159,079.51x = 15,372,222,064.53
  5. Step 5: Solve for x
    x = 15,372,222,064.53/159,079.51
  6. Step 6: Final answer
    x = 96,632.32

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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.