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Finding the Fourth Proportional to 146,722.14, 202,477.59 and 79,654.14

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Solution

The fourth proportional to 146,722.14, 202,477.59 and 79,654.14 is: 109,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,722.14 : 202,477.59 = 79,654.14 : x
  2. Step 2: Convert to fraction form
    146,722.14/202,477.59 = 79,654.14/x
  3. Step 3: Cross multiply
    146,722.14x = 202,477.59 × 79,654.14
  4. Step 4: Simplify right side
    146,722.14x = 16,128,178,300.72
  5. Step 5: Solve for x
    x = 16,128,178,300.72/146,722.14
  6. Step 6: Final answer
    x = 109,923.28

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1.5x scale

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.