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Finding the Fourth Proportional to 74,820.84, 103,267.08 and 46,150.08

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Solution

The fourth proportional to 74,820.84, 103,267.08 and 46,150.08 is: 63,695.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,820.84 : 103,267.08 = 46,150.08 : x
  2. Step 2: Convert to fraction form
    74,820.84/103,267.08 = 46,150.08/x
  3. Step 3: Cross multiply
    74,820.84x = 103,267.08 × 46,150.08
  4. Step 4: Simplify right side
    74,820.84x = 4,765,784,003.37
  5. Step 5: Solve for x
    x = 4,765,784,003.37/74,820.84
  6. Step 6: Final answer
    x = 63,695.94

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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.