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Finding the Fourth Proportional to 186,369.84, 257,194.98 and 101,491.56

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Solution

The fourth proportional to 186,369.84, 257,194.98 and 101,491.56 is: 140,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,369.84 : 257,194.98 = 101,491.56 : x
  2. Step 2: Convert to fraction form
    186,369.84/257,194.98 = 101,491.56/x
  3. Step 3: Cross multiply
    186,369.84x = 257,194.98 × 101,491.56
  4. Step 4: Simplify right side
    186,369.84x = 26,103,119,744.37
  5. Step 5: Solve for x
    x = 26,103,119,744.37/186,369.84
  6. Step 6: Final answer
    x = 140,060.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.