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Finding the Fourth Proportional to 159,493.60, 239,240.40 and 64,723.60

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Solution

The fourth proportional to 159,493.60, 239,240.40 and 64,723.60 is: 97,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,493.60 : 239,240.40 = 64,723.60 : x
  2. Step 2: Convert to fraction form
    159,493.60/239,240.40 = 64,723.60/x
  3. Step 3: Cross multiply
    159,493.60x = 239,240.40 × 64,723.60
  4. Step 4: Simplify right side
    159,493.60x = 15,484,499,953.44
  5. Step 5: Solve for x
    x = 15,484,499,953.44/159,493.60
  6. Step 6: Final answer
    x = 97,085.40

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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.