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Finding the Fourth Proportional to 159,493.76, 239,277.70 and 54,313.64

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Solution

The fourth proportional to 159,493.76, 239,277.70 and 54,313.64 is: 81,483.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,493.76 : 239,277.70 = 54,313.64 : x
  2. Step 2: Convert to fraction form
    159,493.76/239,277.70 = 54,313.64/x
  3. Step 3: Cross multiply
    159,493.76x = 239,277.70 × 54,313.64
  4. Step 4: Simplify right side
    159,493.76x = 12,996,042,857.83
  5. Step 5: Solve for x
    x = 12,996,042,857.83/159,493.76
  6. Step 6: Final answer
    x = 81,483.08

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1.5x scale

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.