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Finding the Fourth Proportional to 186,363.52, 279,686.90 and 136,573.63

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Solution

The fourth proportional to 186,363.52, 279,686.90 and 136,573.63 is: 204,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,363.52 : 279,686.90 = 136,573.63 : x
  2. Step 2: Convert to fraction form
    186,363.52/279,686.90 = 136,573.63/x
  3. Step 3: Cross multiply
    186,363.52x = 279,686.90 × 136,573.63
  4. Step 4: Simplify right side
    186,363.52x = 38,197,855,196.45
  5. Step 5: Solve for x
    x = 38,197,855,196.45/186,363.52
  6. Step 6: Final answer
    x = 204,964.23

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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.