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Finding the Fourth Proportional to 186,169.51, 279,372.27 and 79,554.21

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Solution

The fourth proportional to 186,169.51, 279,372.27 and 79,554.21 is: 119,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,169.51 : 279,372.27 = 79,554.21 : x
  2. Step 2: Convert to fraction form
    186,169.51/279,372.27 = 79,554.21/x
  3. Step 3: Cross multiply
    186,169.51x = 279,372.27 × 79,554.21
  4. Step 4: Simplify right side
    186,169.51x = 22,225,240,235.76
  5. Step 5: Solve for x
    x = 22,225,240,235.76/186,169.51
  6. Step 6: Final answer
    x = 119,381.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.