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Finding the Fourth Proportional to 74,810.25, 103,238.15 and 41,276.25

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Solution

The fourth proportional to 74,810.25, 103,238.15 and 41,276.25 is: 56,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,810.25 : 103,238.15 = 41,276.25 : x
  2. Step 2: Convert to fraction form
    74,810.25/103,238.15 = 41,276.25/x
  3. Step 3: Cross multiply
    74,810.25x = 103,238.15 × 41,276.25
  4. Step 4: Simplify right side
    74,810.25x = 4,261,283,482.56
  5. Step 5: Solve for x
    x = 4,261,283,482.56/74,810.25
  6. Step 6: Final answer
    x = 56,961.23

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1.5x scale

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.