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Finding the Fourth Proportional to 97,103.88, 133,936.20 and 59,396.76

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Solution

The fourth proportional to 97,103.88, 133,936.20 and 59,396.76 is: 81,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,103.88 : 133,936.20 = 59,396.76 : x
  2. Step 2: Convert to fraction form
    97,103.88/133,936.20 = 59,396.76/x
  3. Step 3: Cross multiply
    97,103.88x = 133,936.20 × 59,396.76
  4. Step 4: Simplify right side
    97,103.88x = 7,955,376,326.71
  5. Step 5: Solve for x
    x = 7,955,376,326.71/97,103.88
  6. Step 6: Final answer
    x = 81,926.45

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1.5x scale

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.