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Finding the Fourth Proportional to 186,362.52, 279,685.40 and 136,572.63

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Solution

The fourth proportional to 186,362.52, 279,685.40 and 136,572.63 is: 204,962.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,362.52 : 279,685.40 = 136,572.63 : x
  2. Step 2: Convert to fraction form
    186,362.52/279,685.40 = 136,572.63/x
  3. Step 3: Cross multiply
    186,362.52x = 279,685.40 × 136,572.63
  4. Step 4: Simplify right side
    186,362.52x = 38,197,369,967.74
  5. Step 5: Solve for x
    x = 38,197,369,967.74/186,362.52
  6. Step 6: Final answer
    x = 204,962.73

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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.