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Finding the Fourth Proportional to 117,741.75, 162,484.77 and 64,027.93

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Solution

The fourth proportional to 117,741.75, 162,484.77 and 64,027.93 is: 88,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,741.75 : 162,484.77 = 64,027.93 : x
  2. Step 2: Convert to fraction form
    117,741.75/162,484.77 = 64,027.93/x
  3. Step 3: Cross multiply
    117,741.75x = 162,484.77 × 64,027.93
  4. Step 4: Simplify right side
    117,741.75x = 10,403,563,479.63
  5. Step 5: Solve for x
    x = 10,403,563,479.63/117,741.75
  6. Step 6: Final answer
    x = 88,359.17

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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.