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Finding the Fourth Proportional to 97,006.88, 133,885.89 and 56,165.06

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Solution

The fourth proportional to 97,006.88, 133,885.89 and 56,165.06 is: 77,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,006.88 : 133,885.89 = 56,165.06 : x
  2. Step 2: Convert to fraction form
    97,006.88/133,885.89 = 56,165.06/x
  3. Step 3: Cross multiply
    97,006.88x = 133,885.89 × 56,165.06
  4. Step 4: Simplify right side
    97,006.88x = 7,519,708,375.57
  5. Step 5: Solve for x
    x = 7,519,708,375.57/97,006.88
  6. Step 6: Final answer
    x = 77,517.27

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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.