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Finding the Fourth Proportional to 74,765.63, 103,184.79 and 46,079.48

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Solution

The fourth proportional to 74,765.63, 103,184.79 and 46,079.48 is: 63,594.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,765.63 : 103,184.79 = 46,079.48 : x
  2. Step 2: Convert to fraction form
    74,765.63/103,184.79 = 46,079.48/x
  3. Step 3: Cross multiply
    74,765.63x = 103,184.79 × 46,079.48
  4. Step 4: Simplify right side
    74,765.63x = 4,754,701,467.11
  5. Step 5: Solve for x
    x = 4,754,701,467.11/74,765.63
  6. Step 6: Final answer
    x = 63,594.75

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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.