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Finding the Fourth Proportional to 159,756.48, 239,313.96 and 79,552.80

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Solution

The fourth proportional to 159,756.48, 239,313.96 and 79,552.80 is: 119,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,756.48 : 239,313.96 = 79,552.80 : x
  2. Step 2: Convert to fraction form
    159,756.48/239,313.96 = 79,552.80/x
  3. Step 3: Cross multiply
    159,756.48x = 239,313.96 × 79,552.80
  4. Step 4: Simplify right side
    159,756.48x = 19,038,095,597.09
  5. Step 5: Solve for x
    x = 19,038,095,597.09/159,756.48
  6. Step 6: Final answer
    x = 119,169.47

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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.