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Finding the Fourth Proportional to 186,283, 279,450.78 and 59,880.88

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Solution

The fourth proportional to 186,283, 279,450.78 and 59,880.88 is: 89,829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,283 : 279,450.78 = 59,880.88 : x
  2. Step 2: Convert to fraction form
    186,283/279,450.78 = 59,880.88/x
  3. Step 3: Cross multiply
    186,283x = 279,450.78 × 59,880.88
  4. Step 4: Simplify right side
    186,283x = 16,733,758,623.09
  5. Step 5: Solve for x
    x = 16,733,758,623.09/186,283
  6. Step 6: Final answer
    x = 89,829.77

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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.