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Finding the Fourth Proportional to 92,999.58, 128,122.44 and 64,656.06

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Solution

The fourth proportional to 92,999.58, 128,122.44 and 64,656.06 is: 89,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,999.58 : 128,122.44 = 64,656.06 : x
  2. Step 2: Convert to fraction form
    92,999.58/128,122.44 = 64,656.06/x
  3. Step 3: Cross multiply
    92,999.58x = 128,122.44 × 64,656.06
  4. Step 4: Simplify right side
    92,999.58x = 8,283,892,167.99
  5. Step 5: Solve for x
    x = 8,283,892,167.99/92,999.58
  6. Step 6: Final answer
    x = 89,074.51

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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.