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Finding the Fourth Proportional to 186,426, 279,599.76 and 60,077.76

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Solution

The fourth proportional to 186,426, 279,599.76 and 60,077.76 is: 90,103.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,426 : 279,599.76 = 60,077.76 : x
  2. Step 2: Convert to fraction form
    186,426/279,599.76 = 60,077.76/x
  3. Step 3: Cross multiply
    186,426x = 279,599.76 × 60,077.76
  4. Step 4: Simplify right side
    186,426x = 16,797,727,277.34
  5. Step 5: Solve for x
    x = 16,797,727,277.34/186,426
  6. Step 6: Final answer
    x = 90,103.99

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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.