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Finding the Fourth Proportional to 133,244.58, 183,880.16 and 72,818.97

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Solution

The fourth proportional to 133,244.58, 183,880.16 and 72,818.97 is: 100,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,244.58 : 183,880.16 = 72,818.97 : x
  2. Step 2: Convert to fraction form
    133,244.58/183,880.16 = 72,818.97/x
  3. Step 3: Cross multiply
    133,244.58x = 183,880.16 × 72,818.97
  4. Step 4: Simplify right side
    133,244.58x = 13,389,963,854.64
  5. Step 5: Solve for x
    x = 13,389,963,854.64/133,244.58
  6. Step 6: Final answer
    x = 100,491.62

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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.