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Finding the Fourth Proportional to 114,066.62, 157,407.42 and 63,076.04

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Solution

The fourth proportional to 114,066.62, 157,407.42 and 63,076.04 is: 87,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,066.62 : 157,407.42 = 63,076.04 : x
  2. Step 2: Convert to fraction form
    114,066.62/157,407.42 = 63,076.04/x
  3. Step 3: Cross multiply
    114,066.62x = 157,407.42 × 63,076.04
  4. Step 4: Simplify right side
    114,066.62x = 9,928,636,720.22
  5. Step 5: Solve for x
    x = 9,928,636,720.22/114,066.62
  6. Step 6: Final answer
    x = 87,042.44

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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.