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Finding the Fourth Proportional to 146,366.88, 201,986.52 and 79,298.88

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Solution

The fourth proportional to 146,366.88, 201,986.52 and 79,298.88 is: 109,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,366.88 : 201,986.52 = 79,298.88 : x
  2. Step 2: Convert to fraction form
    146,366.88/201,986.52 = 79,298.88/x
  3. Step 3: Cross multiply
    146,366.88x = 201,986.52 × 79,298.88
  4. Step 4: Simplify right side
    146,366.88x = 16,017,304,811.10
  5. Step 5: Solve for x
    x = 16,017,304,811.10/146,366.88
  6. Step 6: Final answer
    x = 109,432.58

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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.