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Finding the Fourth Proportional to 186,605.76, 279,908.62 and 61,946.76

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Solution

The fourth proportional to 186,605.76, 279,908.62 and 61,946.76 is: 92,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,605.76 : 279,908.62 = 61,946.76 : x
  2. Step 2: Convert to fraction form
    186,605.76/279,908.62 = 61,946.76/x
  3. Step 3: Cross multiply
    186,605.76x = 279,908.62 × 61,946.76
  4. Step 4: Simplify right side
    186,605.76x = 17,339,432,105.07
  5. Step 5: Solve for x
    x = 17,339,432,105.07/186,605.76
  6. Step 6: Final answer
    x = 92,920.13

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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.