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Finding the Fourth Proportional to 281,963.19, 423,055.56 and 124,080.93

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Solution

The fourth proportional to 281,963.19, 423,055.56 and 124,080.93 is: 186,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,963.19 : 423,055.56 = 124,080.93 : x
  2. Step 2: Convert to fraction form
    281,963.19/423,055.56 = 124,080.93/x
  3. Step 3: Cross multiply
    281,963.19x = 423,055.56 × 124,080.93
  4. Step 4: Simplify right side
    281,963.19x = 52,493,125,309.05
  5. Step 5: Solve for x
    x = 52,493,125,309.05/281,963.19
  6. Step 6: Final answer
    x = 186,170.14

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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.