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Finding the Fourth Proportional to 186,264.26, 279,406.71 and 53,134.28

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Solution

The fourth proportional to 186,264.26, 279,406.71 and 53,134.28 is: 79,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,264.26 : 279,406.71 = 53,134.28 : x
  2. Step 2: Convert to fraction form
    186,264.26/279,406.71 = 53,134.28/x
  3. Step 3: Cross multiply
    186,264.26x = 279,406.71 × 53,134.28
  4. Step 4: Simplify right side
    186,264.26x = 14,846,072,965.99
  5. Step 5: Solve for x
    x = 14,846,072,965.99/186,264.26
  6. Step 6: Final answer
    x = 79,704.36

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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.