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Finding the Fourth Proportional to 74,883.96, 112,270.46 and 35,394.93

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Solution

The fourth proportional to 74,883.96, 112,270.46 and 35,394.93 is: 53,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,883.96 : 112,270.46 = 35,394.93 : x
  2. Step 2: Convert to fraction form
    74,883.96/112,270.46 = 35,394.93/x
  3. Step 3: Cross multiply
    74,883.96x = 112,270.46 × 35,394.93
  4. Step 4: Simplify right side
    74,883.96x = 3,973,804,895.79
  5. Step 5: Solve for x
    x = 3,973,804,895.79/74,883.96
  6. Step 6: Final answer
    x = 53,066.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.