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Finding the Fourth Proportional to 186,866, 280,343.65 and 60,506.38

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Solution

The fourth proportional to 186,866, 280,343.65 and 60,506.38 is: 90,774.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,866 : 280,343.65 = 60,506.38 : x
  2. Step 2: Convert to fraction form
    186,866/280,343.65 = 60,506.38/x
  3. Step 3: Cross multiply
    186,866x = 280,343.65 × 60,506.38
  4. Step 4: Simplify right side
    186,866x = 16,962,579,417.49
  5. Step 5: Solve for x
    x = 16,962,579,417.49/186,866
  6. Step 6: Final answer
    x = 90,774.03

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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.