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Finding the Fourth Proportional to 159,291.51, 238,824.96 and 64,493.72

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Solution

The fourth proportional to 159,291.51, 238,824.96 and 64,493.72 is: 96,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,291.51 : 238,824.96 = 64,493.72 : x
  2. Step 2: Convert to fraction form
    159,291.51/238,824.96 = 64,493.72/x
  3. Step 3: Cross multiply
    159,291.51x = 238,824.96 × 64,493.72
  4. Step 4: Simplify right side
    159,291.51x = 15,402,709,558.87
  5. Step 5: Solve for x
    x = 15,402,709,558.87/159,291.51
  6. Step 6: Final answer
    x = 96,695.11

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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.