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Finding the Fourth Proportional to 159,669.72, 239,473.72 and 53,037.08

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Solution

The fourth proportional to 159,669.72, 239,473.72 and 53,037.08 is: 79,545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,669.72 : 239,473.72 = 53,037.08 : x
  2. Step 2: Convert to fraction form
    159,669.72/239,473.72 = 53,037.08/x
  3. Step 3: Cross multiply
    159,669.72x = 239,473.72 × 53,037.08
  4. Step 4: Simplify right side
    159,669.72x = 12,700,986,845.54
  5. Step 5: Solve for x
    x = 12,700,986,845.54/159,669.72
  6. Step 6: Final answer
    x = 79,545.37

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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.