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Finding the Fourth Proportional to 159,358.67, 239,039.37 and 45,506.18

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Solution

The fourth proportional to 159,358.67, 239,039.37 and 45,506.18 is: 68,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,358.67 : 239,039.37 = 45,506.18 : x
  2. Step 2: Convert to fraction form
    159,358.67/239,039.37 = 45,506.18/x
  3. Step 3: Cross multiply
    159,358.67x = 239,039.37 × 45,506.18
  4. Step 4: Simplify right side
    159,358.67x = 10,877,768,598.31
  5. Step 5: Solve for x
    x = 10,877,768,598.31/159,358.67
  6. Step 6: Final answer
    x = 68,259.66

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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.