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Finding the Fourth Proportional to 97,137.64, 134,064.82 and 58,903.40

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Solution

The fourth proportional to 97,137.64, 134,064.82 and 58,903.40 is: 81,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,137.64 : 134,064.82 = 58,903.40 : x
  2. Step 2: Convert to fraction form
    97,137.64/134,064.82 = 58,903.40/x
  3. Step 3: Cross multiply
    97,137.64x = 134,064.82 × 58,903.40
  4. Step 4: Simplify right side
    97,137.64x = 7,896,873,718.39
  5. Step 5: Solve for x
    x = 7,896,873,718.39/97,137.64
  6. Step 6: Final answer
    x = 81,295.71

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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.