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Finding the Fourth Proportional to 93,117.09, 128,502.05 and 50,675.63

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Solution

The fourth proportional to 93,117.09, 128,502.05 and 50,675.63 is: 69,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,117.09 : 128,502.05 = 50,675.63 : x
  2. Step 2: Convert to fraction form
    93,117.09/128,502.05 = 50,675.63/x
  3. Step 3: Cross multiply
    93,117.09x = 128,502.05 × 50,675.63
  4. Step 4: Simplify right side
    93,117.09x = 6,511,921,444.15
  5. Step 5: Solve for x
    x = 6,511,921,444.15/93,117.09
  6. Step 6: Final answer
    x = 69,932.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.