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Finding the Fourth Proportional to 94,392.76, 141,608.58 and 78,918.52

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Solution

The fourth proportional to 94,392.76, 141,608.58 and 78,918.52 is: 118,394.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,392.76 : 141,608.58 = 78,918.52 : x
  2. Step 2: Convert to fraction form
    94,392.76/141,608.58 = 78,918.52/x
  3. Step 3: Cross multiply
    94,392.76x = 141,608.58 × 78,918.52
  4. Step 4: Simplify right side
    94,392.76x = 11,175,539,552.90
  5. Step 5: Solve for x
    x = 11,175,539,552.90/94,392.76
  6. Step 6: Final answer
    x = 118,394.03

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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.