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Finding the Fourth Proportional to 158,862.64, 219,425.88 and 118,755.50

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Solution

The fourth proportional to 158,862.64, 219,425.88 and 118,755.50 is: 164,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,862.64 : 219,425.88 = 118,755.50 : x
  2. Step 2: Convert to fraction form
    158,862.64/219,425.88 = 118,755.50/x
  3. Step 3: Cross multiply
    158,862.64x = 219,425.88 × 118,755.50
  4. Step 4: Simplify right side
    158,862.64x = 26,058,030,092.34
  5. Step 5: Solve for x
    x = 26,058,030,092.34/158,862.64
  6. Step 6: Final answer
    x = 164,028.69

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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.