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Finding the Fourth Proportional to 70,938.18, 106,093.53 and 63,095.76

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Solution

The fourth proportional to 70,938.18, 106,093.53 and 63,095.76 is: 94,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,938.18 : 106,093.53 = 63,095.76 : x
  2. Step 2: Convert to fraction form
    70,938.18/106,093.53 = 63,095.76/x
  3. Step 3: Cross multiply
    70,938.18x = 106,093.53 × 63,095.76
  4. Step 4: Simplify right side
    70,938.18x = 6,694,051,906.43
  5. Step 5: Solve for x
    x = 6,694,051,906.43/70,938.18
  6. Step 6: Final answer
    x = 94,364.58

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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.