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Finding the Fourth Proportional to 70,927.87, 97,881.14 and 39,097.91

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Solution

The fourth proportional to 70,927.87, 97,881.14 and 39,097.91 is: 53,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,927.87 : 97,881.14 = 39,097.91 : x
  2. Step 2: Convert to fraction form
    70,927.87/97,881.14 = 39,097.91/x
  3. Step 3: Cross multiply
    70,927.87x = 97,881.14 × 39,097.91
  4. Step 4: Simplify right side
    70,927.87x = 3,826,948,002.42
  5. Step 5: Solve for x
    x = 3,826,948,002.42/70,927.87
  6. Step 6: Final answer
    x = 53,955.49

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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.