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Finding the Fourth Proportional to 118,388.52, 177,577.00 and 43,502.90

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Solution

The fourth proportional to 118,388.52, 177,577.00 and 43,502.90 is: 65,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,388.52 : 177,577.00 = 43,502.90 : x
  2. Step 2: Convert to fraction form
    118,388.52/177,577.00 = 43,502.90/x
  3. Step 3: Cross multiply
    118,388.52x = 177,577.00 × 43,502.90
  4. Step 4: Simplify right side
    118,388.52x = 7,725,113,476.66
  5. Step 5: Solve for x
    x = 7,725,113,476.66/118,388.52
  6. Step 6: Final answer
    x = 65,252.22

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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.