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Finding the Fourth Proportional to 159,727.63, 239,683.03 and 64,940.32

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Solution

The fourth proportional to 159,727.63, 239,683.03 and 64,940.32 is: 97,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,727.63 : 239,683.03 = 64,940.32 : x
  2. Step 2: Convert to fraction form
    159,727.63/239,683.03 = 64,940.32/x
  3. Step 3: Cross multiply
    159,727.63x = 239,683.03 × 64,940.32
  4. Step 4: Simplify right side
    159,727.63x = 15,565,092,666.77
  5. Step 5: Solve for x
    x = 15,565,092,666.77/159,727.63
  6. Step 6: Final answer
    x = 97,447.72

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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.