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Finding the Fourth Proportional to 146,303.25, 201,898.49 and 79,235.25

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Solution

The fourth proportional to 146,303.25, 201,898.49 and 79,235.25 is: 109,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,303.25 : 201,898.49 = 79,235.25 : x
  2. Step 2: Convert to fraction form
    146,303.25/201,898.49 = 79,235.25/x
  3. Step 3: Cross multiply
    146,303.25x = 201,898.49 × 79,235.25
  4. Step 4: Simplify right side
    146,303.25x = 15,997,476,933.60
  5. Step 5: Solve for x
    x = 15,997,476,933.60/146,303.25
  6. Step 6: Final answer
    x = 109,344.65

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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.