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Finding the Fourth Proportional to 202,707.79, 279,734.93 and 112,066.06

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Solution

The fourth proportional to 202,707.79, 279,734.93 and 112,066.06 is: 154,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,707.79 : 279,734.93 = 112,066.06 : x
  2. Step 2: Convert to fraction form
    202,707.79/279,734.93 = 112,066.06/x
  3. Step 3: Cross multiply
    202,707.79x = 279,734.93 × 112,066.06
  4. Step 4: Simplify right side
    202,707.79x = 31,348,790,889.15
  5. Step 5: Solve for x
    x = 31,348,790,889.15/202,707.79
  6. Step 6: Final answer
    x = 154,650.15

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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.