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Finding the Fourth Proportional to 146,167.32, 201,710.16 and 79,099.32

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Solution

The fourth proportional to 146,167.32, 201,710.16 and 79,099.32 is: 109,156.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,167.32 : 201,710.16 = 79,099.32 : x
  2. Step 2: Convert to fraction form
    146,167.32/201,710.16 = 79,099.32/x
  3. Step 3: Cross multiply
    146,167.32x = 201,710.16 × 79,099.32
  4. Step 4: Simplify right side
    146,167.32x = 15,955,136,493.09
  5. Step 5: Solve for x
    x = 15,955,136,493.09/146,167.32
  6. Step 6: Final answer
    x = 109,156.66

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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.