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Finding the Fourth Proportional to 186,602.40, 279,895.09 and 60,248.47

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Solution

The fourth proportional to 186,602.40, 279,895.09 and 60,248.47 is: 90,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,602.40 : 279,895.09 = 60,248.47 : x
  2. Step 2: Convert to fraction form
    186,602.40/279,895.09 = 60,248.47/x
  3. Step 3: Cross multiply
    186,602.40x = 279,895.09 × 60,248.47
  4. Step 4: Simplify right side
    186,602.40x = 16,863,250,933.01
  5. Step 5: Solve for x
    x = 16,863,250,933.01/186,602.40
  6. Step 6: Final answer
    x = 90,369.96

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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.