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Finding the Fourth Proportional to 64,859.82, 97,160.13 and 59,377.74

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Solution

The fourth proportional to 64,859.82, 97,160.13 and 59,377.74 is: 88,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,859.82 : 97,160.13 = 59,377.74 : x
  2. Step 2: Convert to fraction form
    64,859.82/97,160.13 = 59,377.74/x
  3. Step 3: Cross multiply
    64,859.82x = 97,160.13 × 59,377.74
  4. Step 4: Simplify right side
    64,859.82x = 5,769,148,937.51
  5. Step 5: Solve for x
    x = 5,769,148,937.51/64,859.82
  6. Step 6: Final answer
    x = 88,947.96

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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.