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Finding the Fourth Proportional to 186,244.16, 257,044.02 and 104,581.58

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Solution

The fourth proportional to 186,244.16, 257,044.02 and 104,581.58 is: 144,337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,244.16 : 257,044.02 = 104,581.58 : x
  2. Step 2: Convert to fraction form
    186,244.16/257,044.02 = 104,581.58/x
  3. Step 3: Cross multiply
    186,244.16x = 257,044.02 × 104,581.58
  4. Step 4: Simplify right side
    186,244.16x = 26,882,068,455.93
  5. Step 5: Solve for x
    x = 26,882,068,455.93/186,244.16
  6. Step 6: Final answer
    x = 144,337.78

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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.