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Finding the Fourth Proportional to 146,370.94, 201,991.91 and 79,302.94

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Solution

The fourth proportional to 146,370.94, 201,991.91 and 79,302.94 is: 109,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,370.94 : 201,991.91 = 79,302.94 : x
  2. Step 2: Convert to fraction form
    146,370.94/201,991.91 = 79,302.94/x
  3. Step 3: Cross multiply
    146,370.94x = 201,991.91 × 79,302.94
  4. Step 4: Simplify right side
    146,370.94x = 16,018,551,417.72
  5. Step 5: Solve for x
    x = 16,018,551,417.72/146,370.94
  6. Step 6: Final answer
    x = 109,438.06

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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.