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Finding the Fourth Proportional to 75,361.89, 103,966.13 and 46,673.92

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Solution

The fourth proportional to 75,361.89, 103,966.13 and 46,673.92 is: 64,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,361.89 : 103,966.13 = 46,673.92 : x
  2. Step 2: Convert to fraction form
    75,361.89/103,966.13 = 46,673.92/x
  3. Step 3: Cross multiply
    75,361.89x = 103,966.13 × 46,673.92
  4. Step 4: Simplify right side
    75,361.89x = 4,852,507,080.97
  5. Step 5: Solve for x
    x = 4,852,507,080.97/75,361.89
  6. Step 6: Final answer
    x = 64,389.40

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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.