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Finding the Fourth Proportional to 114,354.74, 157,796.61 and 63,354.66

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Solution

The fourth proportional to 114,354.74, 157,796.61 and 63,354.66 is: 87,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,354.74 : 157,796.61 = 63,354.66 : x
  2. Step 2: Convert to fraction form
    114,354.74/157,796.61 = 63,354.66/x
  3. Step 3: Cross multiply
    114,354.74x = 157,796.61 × 63,354.66
  4. Step 4: Simplify right side
    114,354.74x = 9,997,149,746.39
  5. Step 5: Solve for x
    x = 9,997,149,746.39/114,354.74
  6. Step 6: Final answer
    x = 87,422.26

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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.