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Finding the Fourth Proportional to 70,560.90, 97,357.29 and 39,934.41

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Solution

The fourth proportional to 70,560.90, 97,357.29 and 39,934.41 is: 55,100.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,560.90 : 97,357.29 = 39,934.41 : x
  2. Step 2: Convert to fraction form
    70,560.90/97,357.29 = 39,934.41/x
  3. Step 3: Cross multiply
    70,560.90x = 97,357.29 × 39,934.41
  4. Step 4: Simplify right side
    70,560.90x = 3,887,905,935.35
  5. Step 5: Solve for x
    x = 3,887,905,935.35/70,560.90
  6. Step 6: Final answer
    x = 55,100.00

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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.