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Finding the Fourth Proportional to 114,972.01, 158,661.24 and 64,671.01

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Solution

The fourth proportional to 114,972.01, 158,661.24 and 64,671.01 is: 89,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,972.01 : 158,661.24 = 64,671.01 : x
  2. Step 2: Convert to fraction form
    114,972.01/158,661.24 = 64,671.01/x
  3. Step 3: Cross multiply
    114,972.01x = 158,661.24 × 64,671.01
  4. Step 4: Simplify right side
    114,972.01x = 10,260,782,638.65
  5. Step 5: Solve for x
    x = 10,260,782,638.65/114,972.01
  6. Step 6: Final answer
    x = 89,245.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.