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Finding the Fourth Proportional to 70,573.95, 97,375.95 and 41,878.78

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Solution

The fourth proportional to 70,573.95, 97,375.95 and 41,878.78 is: 57,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,573.95 : 97,375.95 = 41,878.78 : x
  2. Step 2: Convert to fraction form
    70,573.95/97,375.95 = 41,878.78/x
  3. Step 3: Cross multiply
    70,573.95x = 97,375.95 × 41,878.78
  4. Step 4: Simplify right side
    70,573.95x = 4,077,985,743.90
  5. Step 5: Solve for x
    x = 4,077,985,743.90/70,573.95
  6. Step 6: Final answer
    x = 57,783.16

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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.