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Finding the Fourth Proportional to 119,335.88, 178,978.60 and 35,073.18

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Solution

The fourth proportional to 119,335.88, 178,978.60 and 35,073.18 is: 52,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,335.88 : 178,978.60 = 35,073.18 : x
  2. Step 2: Convert to fraction form
    119,335.88/178,978.60 = 35,073.18/x
  3. Step 3: Cross multiply
    119,335.88x = 178,978.60 × 35,073.18
  4. Step 4: Simplify right side
    119,335.88x = 6,277,348,653.95
  5. Step 5: Solve for x
    x = 6,277,348,653.95/119,335.88
  6. Step 6: Final answer
    x = 52,602.36

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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.