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Finding the Fourth Proportional to 186,262.74, 279,393.71 and 67,885.70

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Solution

The fourth proportional to 186,262.74, 279,393.71 and 67,885.70 is: 101,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,262.74 : 279,393.71 = 67,885.70 : x
  2. Step 2: Convert to fraction form
    186,262.74/279,393.71 = 67,885.70/x
  3. Step 3: Cross multiply
    186,262.74x = 279,393.71 × 67,885.70
  4. Step 4: Simplify right side
    186,262.74x = 18,966,835,842.55
  5. Step 5: Solve for x
    x = 18,966,835,842.55/186,262.74
  6. Step 6: Final answer
    x = 101,828.39

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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.