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Finding the Fourth Proportional to 70,925.22, 97,876.82 and 39,094.82

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Solution

The fourth proportional to 70,925.22, 97,876.82 and 39,094.82 is: 53,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,925.22 : 97,876.82 = 39,094.82 : x
  2. Step 2: Convert to fraction form
    70,925.22/97,876.82 = 39,094.82/x
  3. Step 3: Cross multiply
    70,925.22x = 97,876.82 × 39,094.82
  4. Step 4: Simplify right side
    70,925.22x = 3,826,475,975.21
  5. Step 5: Solve for x
    x = 3,826,475,975.21/70,925.22
  6. Step 6: Final answer
    x = 53,950.85

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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.