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Finding the Fourth Proportional to 74,636.51, 111,807.14 and 35,073.68

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Solution

The fourth proportional to 74,636.51, 111,807.14 and 35,073.68 is: 52,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,636.51 : 111,807.14 = 35,073.68 : x
  2. Step 2: Convert to fraction form
    74,636.51/111,807.14 = 35,073.68/x
  3. Step 3: Cross multiply
    74,636.51x = 111,807.14 × 35,073.68
  4. Step 4: Simplify right side
    74,636.51x = 3,921,487,115.67
  5. Step 5: Solve for x
    x = 3,921,487,115.67/74,636.51
  6. Step 6: Final answer
    x = 52,541.14

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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.