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Finding the Fourth Proportional to 186,418.80, 257,270.04 and 110,957.04

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Solution

The fourth proportional to 186,418.80, 257,270.04 and 110,957.04 is: 153,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,418.80 : 257,270.04 = 110,957.04 : x
  2. Step 2: Convert to fraction form
    186,418.80/257,270.04 = 110,957.04/x
  3. Step 3: Cross multiply
    186,418.80x = 257,270.04 × 110,957.04
  4. Step 4: Simplify right side
    186,418.80x = 28,545,922,119.08
  5. Step 5: Solve for x
    x = 28,545,922,119.08/186,418.80
  6. Step 6: Final answer
    x = 153,127.91

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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.